Troubleshooting - Alfa Laval AlfaBlue Junior DG Manual De Instrucciones

MAINTENANCE
Replacing of MOTOR
POWER
SUPPLY
STOP

Troubleshooting

PROBLEM
Condensation pressure
too high
Condensation pressure
too low
Fans not running
Fan break
ENERGOEKONOM spol. s r.o., Wolkerova 433, CZ-250 82 Úvaly, Czech Republic, Tel.: +420 281 981 055, info@energoekonom.cz, www.energoekonom.cz
POSSIBLE CAUSE
Defective fan
through the coil
Air temperature too low
Faulty motor
Line voltage lower than tolerance limits
Lack of a phase
Overloaded motor
Blockage or shocked
SOLUTION
Clean the coil with water and a degreaser
or non corrosive liquid
Invert the rotating direction of the
fan, switching two of the three phases
Adjust the condenser pressure regulation
Check the voltage value between phases
with a voltmeter.
Measure the voltage between
phases, check the power supply line
Check with an Ammeter