Troubleshooting Checklist - Dometic Waeco CoolFun CD-30 Instrucciones De Uso

CD-30.book Seite 22 Donnerstag, 19. November 2009 2:14 14

Troubleshooting checklist

11 Troubleshooting checklist
Caution!
This device may only be repaired by specialist personnel.
Inadequate repairs can lead to considerable hazards.
Compressor does not run
Feature
=0 Volt
U
KL
≤
U U
KL ON
During attempted start up
≤
U U
KL OFF
During attempted start up
≥
U U .
KL ON
Electric circuit between
the pins in the compressor
interrupted
Key
U : Voltage between the positive and negative electronic terminals
KL
U : Switch on voltage of the electronic connection terminals
ON
(see "Technical description" chapter on page 17)
U : Switch off voltage of the electronic connection terminals
OFF
(see "Technical description" chapter on page 17)
Interior temperature too low in the "MIN" thermostat setting
Feature
Compressor runs
continuously
Compressor runs for a
long time
22
Possible cause
Connection supply line interrupted
Battery/main electronic switch defective (if installed)
Additional supply line fuse has blown (if installed)
Battery voltage is too low
Loose cable connection/poor contact (corrosion)
Cable cross section too small
Battery capacity too low
Ambient temperature too high
Insufficient ventilation
Condensor is dirty
Fan defective (if installed)
Defective compressor
Possible cause
Thermostat sensor has no contact to the
vaporiser
Short circuit in the thermostat line
Thermostat defective
Large quantities have been frozen in the
vaporiser compartment
CD-30
Remedy
Secure the sensor
Change the thermostat