CRX50 Pro, CRX65 Pro Troubleshooting
25
Compressor does not run (battery connection)
3 The motor doesn't start The rotor is jammed.
The pressure difference in the cooling system
is too high (> 5 bar)
4 Speed too low If the cooling system is overloaded, the mini-
mum speed of the motor of 1,850 rpm can-
not be maintained
5 Overheating of the
electronics unit
If the cooling system is loaded too heavily or
the temperature is set too high, the electron-
ics can overheat
Constantly Temperature sensor
errors
Temperature sensor is defective
Problem Possible cause Remedy
U
Term
= 0 V There is an interruption in the
battery – electronics connection
Establish a connection
Main switch faulty (if installed) Replace the main switch
Additional supply line fuse has blown
(if installed)
Replace the supply line
fuse
U
Term
≤ U
CON
Battery voltage is too low Charge the battery
Start attempt with
U
Term
≤ U
OFF
Loose cables
Poor contact (corrosion)
Establish a connection
Battery capacity too low Replacing the battery
Cable cross section too small Replace the cable
(fig. 0, page 8)
Start attempt with
U
Term
≥ U
ON
Ambient temperature too high –
Insufficient ventilation Move the refrigerator to
another location
Condenser is dirty Clean the condenser
Number of
flashes
Fault Possible cause
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