Troubleshooting And Customer Service - Kemper KHS CoolFlow 618 01 001 Manuel D'utilisation

Troubleshooting and customer service

The unit has been manufactured using state-of-the-art production methods and has been tested several times
to ensure that it works properly. If malfunctions should occur, please check the unit as detailed in the list below.
Please inform your dealer if the unit is still not working correctly after all the function checks have been perfor-
med.
Operational malfunctions
Malfunction Possible cause
--- External enabling missing
P01 Medium inlet probe defective
Medium outlet probe
P02
defective
Probe defective, ambient
P04
temperature probe
Probe defective, suction gas
P07
temperature probe
Probe defective, heat gas
P08
temperature probe
PP1 "Low-pressure probe fault"
PP2 "High-pressure probe fault"
High-pressure switch, high-
E01
pressure alarm
Low-pressure probe low-
E02
pressure alarm
Checks
Check external enabling terminal
- Check:
- Probe resistance
- Connections of the probe cable
- Check:
- Probe resistance
- Connections of the probe cable
- Check:
- Probe resistance
- Connections of the probe cable
- Check:
- Probe resistance
- Connections of the probe cable
- Check:
- Probe resistance
- Connections of the probe cable
- Check:
- Probe resistance
- Connections of the probe cable
- Check:
- Probe resistance
- Connections of the probe cable
In cooling mode:
Finned heat exchanger blocked,
dirty or exposed to excessive
sunlight? Condenser fan or
high-pressure switch defective?
In heating mode:
Medium flow rate too low,
Medium temperature on the
plate heat exchanger too high,
High-pressure switch defective.
In cooling mode:
Insufficient refrigerant,
Medium flow rate too low, low-
pressure switch defective.
In heating mode:
Insufficient refrigerant,
Finned heat exchanger blocked
or dirty? Evaporator fan or low-
pressure switch defective?
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Remedial measures
Remove jumper from terminals
- Replace defective probe
- Renew connections
- Replace defective probe
- Renew connections
- Replace defective probe
- Renew connections
- Replace defective probe
- Renew connections
- Replace defective probe
- Renew connections
- Replace defective probe
- Renew connections
- Replace defective probe
- Renew connections
In cooling mode:
Clear finned heat exchanger, clean,
shade, have condenser fan checked
by specialist personnel, check high-
pressure switch.
In heating mode:
Check medium flow rate and
medium temperature,
check high-pressure switch.
In cooling mode:
Insufficient Refrigerant, check
medium flow rate and low-pressure
switch.
In heating mode:
Clear and clean finned heat
exchanger, have evaporator fan
checked by specialist personnel,
check low-pressure switch.
- 07.2020 / K410061801001-00 - 75/44
EN
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