CTA HCAT TE 0011 Manual De Instalación Y Mantenimiento página 71

I A
MALFUNCTION
The condenser unit does
not start
Protection devices trip
and shut down the
compressor
Insufficient output
Compressor noisy
Noise and vibrations
HCAT TE - HCAN TE
CAUSE
No voltage
Supply voltage too low
Main unit switch in OFF position
Automatic switch in the OFF position
No demand from internal unit
Contactor coil faulty
Electronic board faulty
Fuses faulty
Start-up capacitor faulty (if present)
Compressor faulty
Excessive discharge pressure
Low intake pressure
Low voltage
Electrical connections not sufficiently tight
Operation outside permitted limits
Faulty operation of pressure switches
Thermal cut-out tripped
High discharge pressure
Low intake pressure
Undersized unit
Liquid returning to compressor
Inadequate fixing
Reversed phase (three phase units only)
Contact between metal bodies
Weak foundations
Loose screws
TROUBLESHOOTING
REMEDY
Check for presence of voltage
Check safety systems
upstream of the appliance
Check power line
Position in ON
Check
Replace component
Check
Replace component
Check supply voltage
Check electrical insulation of windings
Check
Check
Reverse one phase
Check
Repair
Tighten screws
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