ProAir Electra Kool - Troubleshooting Chart

PRODUCT: 12v Rooftop RV Operation & Service Manual
RELEASE DATE: 1/4/19
REVISION DATE: 1/4/19, Rev. A
PART NUMBER: 09 000 545
6 | P a g e
TROUBLESHOOTING CHART
Symptom
Probable Solution
UNIT WILL NOT TURN ON
1. Make sure vehicles master switch is on.
2. Check to make sure connections are tight at POS and GROUND
studs at evaporator base.
3. Check for 12 volts at POS stud and ground at GROUND studs on
evaporator base.
EVAPORATOR BLOWER INOP
1. Make sure control panel is ON and calling for a desired fan speed.
2. Check for blown 5 AMP fuse and 20 AMP blower fuse (FIGURE
#2) behind return air filter.
3. Check for 12 volts and ground at studs on evaporator base.
4. Check harnesses to ensure wires going in and out of connectors
match and are inserted into connectors correctly.
5. Check to make sure connectors are plugged into mating
connectors correctly.
6. Contact ProAir for service options.
UNIT NOT COOLING, CONDENSER
FAN AND COMPRESSOR NOT
RUNNING
1. Check to make sure control panel is in COOL mode.
2. Set desired thermostat temperature on controller below inside
ambient temperature.
3. Check for blown 20 AMP condenser fuse (FIGURE #2) behind
return air filter.
4. Check harnesses to ensure wires going in and out of connectors
match and are inserted into connectors correctly.
5. Check to make sure connectors are plugged into mating
connectors correctly.
6. Contact ProAir for service options.
UNIT NOT COOLING, CONDENSER
FAN RUNNING, COMPRESSOR NOT
RUNNING
1. Check for blown 5 AMP fuse (FIGURE #2) behind return air
filter.
2. Check harnesses to ensure wires going in and out of connectors
match and are inserted into connectors correctly.
3. Check to make sure connectors are plugged into mating
connectors correctly.
4. Contact ProAir for service options.
6 PIN CONNECTOR
3 PIN CONNECTOR
Condenser Fuse
20 Amp w/Red Wire
w/white stripe
5 Amp Fuses
Blower Fuse 20 Amp
w/Red Wire
ProAir Relay Harness
FIGURE #2