AERMEC ANK Manuel d'installation - Page 11
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ANOMALY
.
The chiller does not start‐up
Insufficient yield
Noisy compressor
Noise and vibrations
The compressor stops due to intervention of
the safety controls
High discharge pressure
Low discharge pressure
High intake pressure
Low intake pressure
Flow switch error 104
11
8. TROUBLESHOOTING
CAUSE
No electric voltage
Master switch at OFF
Remote switch at OFF (if present)
Control panel at OFF
Main switch at OFF
Compressor magnet circuit breaker at OFF
Power supply voltage too low
Remote control switch coil broken
Circuit board broken
Peak condenser broken
Compressor broken
No refrigerant
Appliance dimensioning
Functioning outside of operational limits
Liquid refrigerant returns to the compressor
Inadequate fixing of the piping connections
Phase inverted, compressor moving backwards (in three‐phase
versions only)
Contacts between metal bodies
Weak rest
Loose screws
High pressure
Low pressure
Low voltage
Poor connections, relay contacts
Functioning outside of operational limits
Pressure switch dysfunction
Circuit breaker protection interruption
High external air temperature
High water input temperature
Insufficient air flow
Insufficient water flow
Fan regulation anomalous functioning
Air in the hydraulic system
Excessive gas load
High external air temperature
High water input temperature
Insufficient air flow
Insufficient water flow
Fan regulation anomalous functioning
Air in the hydraulic system
Excessive gas load
High external air temperature
High water input temperature
Thermostatic expansion valve too open or dam‐aged
Low external air temperature
Low water input temperature
Thermostatic expansion valve damaged or blocked
Water filter blocked
Plate heat exchanger blocked
Insufficient air flow
Insufficient water flow
Loose wire on the pump
Clogged filter
Air in the system, low pressure in the system loop
SOLUTION
Check the presence of voltage
Check the safety systems upstream from
the appliance
Position at ON
Check power supply line
Replace the component
Check
Check
Fastened properly
Invert a phase
Check
Restore
Tighten the screws
Check
Replace the component
Check power supply voltage
Check electric isolation of the windings
Check
Check fan functioning
Check pump functioning
Check
Bleed
Check
Check
Empty and restore the gas load
Check
Bleed
Check
Check
Check
Check fan functioning
Check pump functioning
Check the pump
Clean filter
Bleed the air