Troubleshooting guide

86
System: Rooftop A/C
Problem Possible Cause Check/Solution
A/C doesn’t run. 1) No 110V to rooftop A/C. 1) If the microwave works,
check the breaker for the
roof A/C in the power
converter. In ducted-type
A/C’s only, you may also
check the 2a fuse in the wall
thermostat. If the microwave
does not work, troubleshoot
the 110V system.
Note: In Class A models
with 2 roof air conditioners,
you should only run one at a
time.
System: Shower
Problem Possible Cause Check/Solution
Shower faucet turned on but
no water coming out.
1) Knob at back of shower
head is turned off.
2) Other fresh water
problem.
1) Turn knob on the back of
the shower head.
2) Troubleshoot the fresh
water system.
Water backs up into shower
while running kitchen or bath
faucet.
1) Gray holding tank is full. 1) Empty the gray water
holding tank.
Water backs up into shower
while using it.
1) Gray holding tank is full.
2) Shower drain basket is
plugged.
1) Empty the gray water
holding tank.
2) Clean the shower drain
basket.