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Category: Service Bulletins

Lochinvar Announced Software Update for Commercial Communication Controls

Lochinvar announced the recent release of a software version update for the CREST, Power-Fin and Armor display communication controls (Smart Touch Display). From Lochinvar: This Smart Touch Display update adds additional functionality, but is not required for the proper operation... Read More

Lochinvar Announces CON•X•US App Updates

Lochinvar announced that the CON•X•US™ smart device app has been updated. Contractors with the CON•X•US app are encouraged to update it to the most current version. From Lochinvar: The new version includes the following updates: Fix system pump setup (system pump... Read More

CoolCloud HVAC™ App Login When Out of Cellular/Wi-Fi Range

Goodman has released Service Bulletin SF-085 regarding using the CoolCloud HVAC™ app when you are out of cellular/Wi-Fi range. From Goodman: From time to time, technicians may lack the ability to login to the CoolCloud HVAC app preventing direct connectivity... Read More

ComfortBridge™ Furnace Firmware Update for Dual Fuel Applications

Goodman has released Service Bulletin SR – 084 regarding ComfortBridge furnaces in dual fuel applications not locking out compressor operation when the outdoor operation is below 0°F. From Goodman: 80% and 90% ComfortBridge furnaces when matched with communicating heat pumps in a... Read More

Defrost Thermostat Relocation for Single Row 7mm Heat Pump Coils

Goodman has released Service Bulletin SR – 076 regarding the location of the defrost thermostat on select Amana, Goodman, and GMC heat pumps. From Goodman: In certain applications the defrost thermostat may not be installed in the optimal location for complete... Read More

Honeywell Home Planned System Maintenance – Jan 22 through mid-February

Honeywell announced a planned system maintenance over the weeks of January 22 - mid-February 2019. The system maintenance is an update to software and services. The maintenance will not affect thermostat performance (it will still control climate), but may temporarily... Read More

*MVC80803 Furnaces Not Making High Fire Pressure Switch

Goodman has released Service Bulletin SF-083 concerning AMVC80803/GMVC80803 not making the high fire pressure switch, causing the furnace to fault into an E9 error code.  (more…) Read More

PSR-01 Collector Box Pressure Switch Relocation Kit Now Available

Goodman has released Service Bulletin SF-082 announcing the availability of a PSR-01 Collector Box Pressure Switch Relocation Kit, which provides an alternate location to connect the collector box front cover pressure switch on Amana and Goodman furnaces. (more…) Read More

Goodman Releases CoolCloudHVAC™ Technical Guide for Furnaces and Air Handlers with ComfortBridge™ Control Platform

With the introduction of the ComfortBridge™ control platform for furnaces and air handlers, Goodman has released this Technical Support Guide for the CoolCloudHVAC™ app developed for the installer and service technician. This Technical Guide should be used in conjunction with... Read More

ComfortBridge™ Control System Furnace Non-Communicating Setup Using PCB Pushbuttons

Goodman has released Service Bulletin SF-078 containing instructions on setting up a new ComfortBridge™ control system furnace with a non-communicating outdoor unit. (For Goodman's announcement on the ComfortBridge system, click here.) From Goodman: When installing a new ComfortBridge™ control system... Read More

Amana/Goodman 80% Furnace Flue Connector Fit-Up Inaccuracy

Goodman has released Service Bulletin SF-076 concerning the positioning of the flue connector fit-up on an on 80% furnaces produced at the new Daikin Texas Technology Park. Please note: The positioning of the flue fit-up connector does not affect the safety... Read More

Incorrect Speed Selection on Dip Switch Sticker on *MVC96/*CVC96 Furnace

Goodman has released Service Bulletin SF-075 concerning an error found on the dip switch sticker on select furnaces: Goodman has discovered an error in the blower speed label affixed to the *MVC96 and *CVC*96 furnace product. Under the Speed Selection... Read More

Circuit Breaker Sizing on HKSC10 and Smaller Heat Kits

Goodman released the following bulletin, G-GN-OT-1494, regarding circuit breaker sizing on heat kits: Circuit breakers furnished with the heat kits of 10kw and less are for safety disconnect purposes only and are not supplied to be used for circuit protection.... Read More

Updates to Lochinvar After-Hours Tech Support

Lochinvar has announced new hours for its Technical Service Hotline: After Hours Support: 5 PM EST - 8 PM EST (Monday - Friday) Emergency Support: 9 AM EST - 5 PM EST (Saturday - Sunday) Holiday Support: 9 AM EST -... Read More

Defrost Timer Change on AVZC18/20 SEER Inverter Heat Pump Units

Goodman released Service Bulletin SR-072, regarding a software change on AVZC18 and AVZC20 Inverter Heat Pump units: This bulletin is to inform you of a software change made to the Inverter Heat Pump models listed above. For units with a... Read More

Incorrectly Labeled Transformers – 208/240 Volt Models

Goodman recently released Service Bulletin SA-029, regarding incorrectly labeled transformers affecting models AWUF, ACNF, ARPT, ARUF, ASPT, ASUF, AVPEC, AVPTC, AWUT, DVxx, FXTQ, MBR, MBVC, APC, APD, APG, APH, DCC, DCG, DCH, DPxx, DSC, DSG, DSH, DTC, DTG, DTH, GPC,... Read More

Beckett Technical Advisory Bulletin on Cleancut Pumps

Beckett recently released the following bulletin regarding Cleancut Pumps (A2EA-6527): This bulletin advises that Cleancut pumps A2EA-6527 manufactured during months March, April, and May 2016 might present a tightness issue on Inlet/Return ¼-18 NPTF plugs. In order to identify such pumps, it... Read More

Economizer Installation Wiring for Residential Package Units

Goodman has recently released Service Bulletin SP-038 Rev. 1 regarding economizer installation wiring for residential package units.  The purpose of this bulletin is to provide instructions for the installation of an economizer on “H” and “M” Series residential package units that do... Read More

CTK03 and CTK04A Displaying Improper Outdoor Temperature

Goodman has recently released Service Bulletin SR-066 regarding CTK03 and CTK04A thermostats displaying improper outdoor temperatures. From Goodman: On a limited amount of communicating systems, we have had reports of CTK03 and CTK04A thermostats not displaying the correct outside temperature. The root... Read More

Dip Switch Settings on Inverter 18 & 20 SEER Split Systems

Amana has recently released Service Bulletin SR-064 regarding dip switch settings on Inverter 18 & 20 SEER split systems DZ18VC0**1A*, DZ20VC0**1A, DX20VC0**1A*, AVXC200**1A* and AVZC200**1A* Models. From Amana: Technical Services has received information from the field relative to installed units where... Read More

Lockouts On Modulating Furnaces

Goodman recently released Service Bulletin SF-067 regarding lockouts on 40" modulating furnaces. From Goodman: Nuisance or unexplained lockouts (E0 Lockout Code Displayed on 7-Segment Display) with the 40” modulating furnaces may be due to moisture in the front cover pressure switch tube,... Read More

Oil in Basepans, on Coils, or on Shipping Boxes of Products

Goodman recently released Service Bulletin SA-027. From Goodman: Occasionally we receive reports of oil in the basepan, on the coil or on the shipping box as products are being installed. Due to the variability of manufacturing processes used to produce coil fins... Read More

Economizer Installation Wiring for Residential Package Units

Goodman recently issued Service Bulletin SP-038 providing instructions for the installation of an economizer on “M” Series residential package units that do not have a factory installed economizer wiring harness. From Goodman: The DP14GM24 – 48 and A/GPG1424 – 48 units... Read More

Beckett AquaSmart Service Options on Select Peerless Boilers

Peerless released Service Bulletin M-15-7 regarding Service Programs related to Fix-on-Fail issues with Beckett AquaSmart Boiler Controls on select Peerless units. Beckett posted a service bulletin in February 2015 identifying manufacturing issues with the 7600P LWCO enabled sensors used in... Read More

Modulating Furnace – Gas Manifold Pressure/Valve Adjustment

Goodman has released Service Bulletin SF-065 regarding the proper procedure for adjusting the manifold pressure or gas valve on modulating furnaces. From Goodman: In the event of low manifold gas pressure, loss of flame, or low flame signal fault alerts on modulating furnaces, perform... Read More

Laars MightyTherm LoNOx Parts Support Ending

Laars recently issued Service Bulletin 15-2 regarding parts support for the MightyTherm line. Because the MightyTherm LoNOx line has been obsolete for 10 years, some key suppliers of components are no longer making parts for the LoNOx line. Inventory is limited and,... Read More

New 34.5″ Chassis High Efficiency Furnace Venting Table

Goodman recently issued Service Bulletin SF-064 to provide updated venting tables for the 34.5" furnaces. It is important to note that this service bulletin pertains to furnace venting tables for the models specified in it.  While the bulletin stresses the importance of... Read More

Aluminum Coil Cleaning Best Practices

Goodman recently issued Service Bulletin SA-026 to address inquiries related to recommended cleaning practice for aluminum evaporator coils. Best cleaning practice is to simply flush the coil with water. Alternately, you can use an approved, non-chlorine cleaner (such as Nu-Calgon - EVAP-Green -... Read More

Replacement of Front Collector Box Cover on Some 92% Goodman Brand Furnaces

Goodman recently issued Service Bulletin SF-060 regarding incorrect front collector box covers being used on some some AMSS920803BNAA, DM92SS0803BNAA and GMSS920803BNAA model furnaces with serial numbers 1501360901 and prior. From Goodman: (more…) Read More

UPDATE: Sticking TXVs on 2 and 2-1/2 Ton Split System Evaporator Coils and 15 SEER Package Units

Goodman has revised the serial number date range for Service Bulletin SA-023. Update From Goodman: (more…) Read More

Sticking TXVs on 2 and 2-1/2 Ton Split System Evaporator Coils and 15 SEER Package Units

Goodman recently issued Service Bulletin SA-023 regarding Sticking TXVs on 2 and 2.5 Ton Split System Evaporator Coils & 15 SEER Package Units. (more…) Read More

Modulating Furnace – Service Replacement Control Board PCBKF200SF

Goodman recently issued Service Bulletin SF-048 regarding Modulating Furnace Replacement Control Board PCBKF200SF. From Goodman: We have received reports that when replacing the control board on the modulating furnace, the  necessary data is not consistently being uploaded to the replacement... Read More

E-Coated Air Coils

ClimateMaster has issued technical service bulletin TBJ017 related to all water to air units with E-Coated (black) refrigerant air coils. From ClimateMaster: PRODUCT: All water to air units with E-Coated (black) refrigerant air coils AFFECTED RANGE: All units with E-Coated air coils. ISSUE:... Read More