EN
Troubleshooting
CRX50 Pro, CRX65 Pro
26
Poor cooling, increase in interior temperature
Unusual noises
Electric circuit between
the pins in the compres-
sor interrupted
Defective compressor
Contact customer service
No input voltage for
controller and load
dump board
Defective controller and load dump
board assembly
Replace complete control
module consisting of con-
troller and load dump
board
U
Term
Voltage between the positive and negative terminals of the electronics
U
ON
Cut-in voltage of the electronics
U
OFF
Cut-off voltage of the electronics
Problem
Possible cause
Remedy
Compressor runs for a
long time/continuously
Ambient temperature too high
–
Insufficient ventilation
Move the refrigerator to
another location
Condenser is dirty
Clean the condenser
Faulty fan
Replace the fan
Compressor does not
run often
Battery capacity exhausted
Charge the battery
Problem
Possible cause
Remedy
Loud humming
A component of the refrigerant circuit
cannot move freely (touching the
wall)
Bend the component
carefully away from the
obstruction
There is a foreign object stuck
between the cooling unit and the wall
Remove the foreign
object
Fan noise
Replace the fan
Problem
Possible cause
Remedy
