CLIMAVENETA MICS FF, Инструкция по установке, эксплуатации и обслуживанию

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MICS / MICS-N
24
English 07/07
TROUBLESHOOTING
A I
FAULT CAUSE REMEDY
No voltage
Supply voltage too low
Mains switch in OFF position
Remote switch (if present) in OFF position
Control panel set to OFF
Main unit switch in OFF position
Compressor thermal solenoid switch OFF
- Check presence of voltage
- Check safety systems upstream
of the appliance
Check power line
Switch ON
Contactor coil faulty
Electronic board faulty
Start-up capacitor faulty (if present)
Compressor faulty
Replace the component
Check
Replace the component
Check
Check
Check
The compressor stops due
to the activation of the
protection devices
Excessive discharge pressure
Low suction pressure
Low voltage
Electrical connections not sufficiently tight
Operation outside permitted limits
Faulty operation of pressure switches
Check supply voltage
Check electrical insulation of
windings
Thermal cut-out tripped
Insufficient output
Insufficient refrigerant
Sizing of unit
Operation outside recommended limits
Noise and vibrations
Contact between metal bodies
Repair Weak foundations
Tighten screws
Loose screws
Compressor noisy
Liquid returning to compressor
Inadequate fixing
Reverse one phase Reversed phase (three phase units only)
The chiller does not
start up