AC Evap Fan
refrigeration
Description
The evaporator fan VAC reading does not match the ordered fan state, and the unit gives an alarm only.
Activation Conditions
VAC reading from evaporator fan does not match ordered fan state. A05100, A5102, or A5109 not active or pending.
Unit Behavior
Alarm Only
Reset Conditions
VAC reading from evaporator fan matches ordered state
Corrective Actions
1. Check evaporator fan status in the System Values menu in CabinTech. a. If the evaporator fan shows OFF/0 check for voltage between J3- 1,2,3 and J3-7. If voltage is present, go to step 2. If voltage is not present, go to step 3. b. If the evaporator fan shows value greater than 0 go to step 3 2. Disconnect J3 connector (evaporator fan) a. If alarm 5110 is no longer active with evaporator fan harness disconnected, there is problem with the evaporator fan or harness. Check for short to power in evaporator fan or harness. b. If alarm 5110 is still active with evaporator fan harness disconnected, go to step 3. 3. Replace the CCM board - Refer to section 8.34 for CCM board replacement instructions.