![background image](http://html1.mh-extra.com/html/carrier/comfortpro-pc6000/comfortpro-pc6000_operation-and-service-manual_2563807032.webp)
62-11175 COMFORTPRO SERVICE MANUAL
3-7
SYMPTOM
PROBABLE CAUSE
SOLUTION
REFERENCE
APU starts and runs,
•
No 120 Volt power to CCU Board
•
See "Generator" section
•
3- 6
but no CCU functions
•
Controls "locked up"
•
Re-boot by turning APU off and
work and "OUTLET
disconnecting battery power to
OFF" is displayed
APU for 30 seconds
A/C will not turn on
•
Temperature in sleeper is too cold
•
Temperature must be above 65°F
•
1- 4, 1- 8
(no icon)
(turn heat on to raise the sleeper temp)
•
Temperature is below Driver Control
•
Set temperature to lower setting
•
1- 4, 1- 8
Panel set point
Heat will not turn on
•
Temperature in sleeper is too hot
•
Temperature must be below 85°F
•
1- 4, 1- 8
(no icon)
(turn A/C on to lower the sleeper temp)
•
Temperature is above Driver Control
•
Set temperature to higher point
•
1- 4, 1- 8
Panel set point
"HVAC BREAKER
•
20 Amp CCU breaker tripped
•
Determine reason and press reset on
RESET" is displayed
the Driver Control Panel
•
Generator belt loose
•
Tighten/replace
•
A-2
"TRIP W/LIGHTENING
•
20 Amp outlet breaker tripped
•
Determine reason and press reset on
BOLT ICON" is displayed
the Driver Control Panel
•
Generator belt loose
•
Tighten/replace
"LOW VOLTAGE"
•
Generator 35 Amp breaker tripped
•
Determine reason and reset
•
3-6, A-5
is displayed
•
Generator belt loose/broken
•
Tighten/replace
•
3-6
•
Engine air filter dirty
•
Clean/replace filter
•
A-3
•
Engine fuel system problem
•
Change fuel filters
•
A-3
•
Engine exhaust system problem
•
Clean/replace
•
Engine speed low
•
Adjust
•
A-2
3.3
DRIVER CONTROL PANEL
Each symptom is followed by a probable cause and suggested solution. To isolate the
possible cause, proceed in a systematic manner to determine the faulty component. This
guide does not cover all possible situations that may occur under all conditions of operation.
WARNING
Disconnect the batteries from the
APU before performing any repairs.