12
53-22130A100
131 EISENHOWER LANE NORTH
LOMBARD, ILLINOIS 60148-5413
630-268-0010 / 1-800-251-2408
ELECTRONIC CLIMATE CONTROL
INTELLITEC
Trouble Shooting
IV.
"ON" indicator is on but fans do not operate in LOW FAN or HIGH FAN modes.
A.
Make sure that the coach is plugged in to a "live" shore power outlet.
B.
Check the 120 VAC circuit breakers in the distribution panel.
C.
Slide test switch on Control Module towards J2. Front compressor and high fan should turn on.
If OK replace Control Module. If not:
1.
Check wiring between PC2 and front A/C unit.
D.
Slide test switch on Control Module towards J3. Rear compressor and high fan should sturn on.
If OK, replace Control Module. If not:
1.
Check wiring between PC3 and rear A/C unit.
V.
"ON" indicator is on but the furnace does not operate in HEAT mode at any thermostat
setting.
A.
Check the fuse or circuit breaker feeding the furnace.
B.
Move the set point control up to the highest and down to the lowest temperature settings.
Somewhere in between these settings an audible click should be heard from the relay in the
control module. If not:
1.
Replace the Control Module.
C.
Disconnect plug PC4 from the Control Module. Placing a shorting jumper between PC4 pins
1 and 2 should cause the front furnace to energize. Placing a shorting jumper between
PC4 pins 4 and 5 should cause the rear furnace to energize. If not:
1.
Check the wiring between PC4 and the furnace.
VI.
"SHED" indicator is on in the HEAT mode.
A.
This occurs normally within 20 seconds of system power-up. If the shed indicator stays on
and a test of the rest of the system functions checks OK, replace the Thermostat.
