Connecting A Defective Roof Air Conditioner; Troubleshooting - Dometic FreshJet FJX Service Manual

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FJX4233EEH, FJX4333E(EH), FJX7333IHP, FJX7337IHP, FJX7457IHP

8 Connecting a defective roof air conditioner

If the roof air conditioner must be connected to the power supply despite defective components, take the following
safety precautions beforehand.
Ensure that the defect does not damage other components.
Discharge the capacitors without producing sparks.
Ensure that the grounding is continuously present.

9 Troubleshooting

Problem
The high pressure test has not passed.
The vacuum pump does not remove
the complete refrigerant.
FJX4233M
CLICK
CLICK
Possible cause
The quick connector is defective.
The vacuum pump is too weak.
Dometic FJX EN
Suggested remedy
1. Disconnect the nitrogen pressure
test kit.
2. Replace the quick connector.
3. Restart the high pressure test (see
Performing a high pressure test
on page 14
If necessary, use a stronger vacu-
um pump.
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