BAKL6U022AA
Edition: 28.02.2017
Page: 8/9
4.1.
Troubleshooting
Only qualified staff is allowed to
carry out these works!
Trouble
Cause
Repair
by authorized Service Station
only
a/c is not
running
thermostat open
check inside temperature
re-adjust thermostat
electric connections disconnected
check electric connections at switchboard
relay defective
check relay, replace if necessary
defrost thermostat has switched off
check evaporator blower, replace if neces-
sary
outside temperature too low (possible
icing of evaporator)
switch on "ventilation" only
evaporator coil dirty
clean evaporator coil with compressed air
magnetic clutch
check connections at magnetic clutch
compressor does not compress
check high and low pressure, replace com-
pressor if necessary
excess pressure (pressure too high)
check axial fans
check fuses at switchboard
clean condenser coil with compressed air
excess pressure caused by high out-
side temperature
run unit until pressure has stabilized
leakage in a/c unit, lack of refrigerant check a/c unit for leakages, refill refrigerant
low pressure, dryer clogged
replace dryer
low pressure, screen of expansion
valve clogged
clean screen; replace dryer
Loud noise
at compres-
sor
defective bearing at compressor
replace either bearing or entire compressor
slack V-belt
check V-belt at compressor drive
By operator
5.
Warranty Conditions
The current „General Warranty Conditions KONVEKTA AG“ will apply. A copy will be furnished by
the warranty department. Please contact
