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MAINTENANCE
Object
Leakage controle of refrigerant circuit
Tank level
Abnormal noises
Antifreeze
Condenser
REPAIRS
PROCEDURE
Repair a refrigerating unit must be carried out by specialised technicians. However, provided that the problem on the
cooler does not require access to the cooling circuit, repair can be undertaken by a mechanical/electrical maintenance
team. For any problem, we advise you to contact us for a list of approved after sales service companies.
TROUBLE-SHOOTING
PANNE
The air conditionner doesn't start.
Only the evaporator fan runs
Evaporator fan stopped
Everything run, cooling not efficient, hight current
absorbed
Fans operate but compressor stopped
Everything run, air at condenser at ambient
temperature and compressor warm
Compressor never stop
Condensats in large quantity.
Criteria
Frequency
Load < 3 kg(EU)
No control mandatory
Load < 2 kg(FR)
Load > 3 kg(EU)
1 time a year by a qualified technician
Load > 2 kg(FR)
Visual
1 time a month
Sound
2 times a year
Concentration
2 times a year
Remplacement
1 time a year
Cleaning
2 times a year, 1 time a month if dusty environnement
CAUSES
The air conditionner is not
supplied.
Thermostat's setting is wrong
Air conditioner not supplied
Circuit breaker disengaged
Fan out of order
Condenser of filters dirty
Condenser's fans out of order
Air leakage
Obstruction on air circuit
Refrigerant leakage
Internal
protection disengaged
Refrigerant leakage
Check temperature controler's
contacts
Air
leakage,
absorption.
CONTROLES ET
REMEDES
Check electrical supply line
Check
parameters
temperature
Check
protection's settings
Check air flow and current
absorbed
Replace fan
Check condenser fans
Clean condenser
Check and repair air circuit
compressor's
Call qualified technician
Call qualified technician
Replace regulator.
ambient
air
Improve air circuit sealing
and
air
fan's
supply
and
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