Services Performed
- AFTER REPLACEMENT OF THE HVAC MODULE, THE FAN BLOWER WOULD NOT WORK. CHECK OUT WE NOW CAN TALK TO HVAC MODULE AND PULLED CODE OF B1919-14 BLOWER MOTOR CONTROL CIRCUIT SHORT OR OPEN, TEST CIRCUITS FOUND RELAY NOT TURING ON, CHECK VOLTAGES AT RELAY BOX OK. TRIED NEW RELAY NO HELP REPLACE FAN SPEED CONTROLLER AS TO CHECK OUT, NO HELP. WENT BACK TO RELAY BOX THEN SAW THAT YOU HAD TO PROBE DEEPER TO CHECK VOLTAGE ON LOW AMPERAGE SIDE OF RELAY BOX. LOOKING INTO BOX TABS NOT HITTING RELAY. PULL BOX FOUND EXTENSION TABS WERE MISSING INSIDE OF FUSE RELAY BOX. SOMEBODY REMOVED THEM. WE ARE THINKING SOMEBODY AT ONE TIME DID NOT HAVE PROPER EQUIPMENT TO CHECK OUT AND TRIED TAKING THINGS APART THAT NEVER NEEDED TO COME APART. THESE PINS DO NOT COME OUT OF FUSE / RELAY BOX UNLESS SOMEBODY TAKES IT ALL APART AND PULLS THEM OUT, THEY ARE HELD IN WITH UPPER COVER. MADE EXTENSIONS FOR RELAY BOX, CAN NOT BUY SEPARATE. ALL SYSTEMS WORK NOW WITH NO MORE CODES.
- FOUND CODES U1710-87- MCM AND MHM ON B CAN MISSING MESSAGE. B10AA-4A- CHECK CONFIGURATION FAILED, INCORRECT COMPONENT INSTALLED. PERFORMED CAN NETWORK TEST AND FOUND HVAC CONTROLLER NOT RESPONDING. CHECKED FUSES AND FOUND 50 AMP GOOD. HVAC CONTROLLER GETS POWER FROM BCM, CHECKED HVAC CONTROLLER GROUND AND ITS GOOD. POWER IS GOOD FROM BCM. CHECKED POWER AND GROUNDS AT BCM THERE GOOD. RECOMMEND NEW HVAC CONTROLLER. AFTER REPLACEMENT OF HVAC CONTROLLER AND PROGRAMMING THEN WE COULD TALK TO ALL MODULES AND HVAC COMING UP WITH B1919-14 BLOWER MOTOR CONTROL CIRCUIT SHORT TO OPEN OR GROUND.
- PART # 68258976AG
TRISTA P. gave our service a 5 star review on 3/16/2020
