20
Water - level alarm (condensate) is flashing on and OFF
Malfunctioning of the condensate drainage system to the outdoor unit
NOTE - In case of emergency the air conditioner can work by draining the condensate from the back
little pipe into a rather short container, extract the little pipe and remove the cap.
SI
NO
The condensate drain pipe in the flexible
connection pipe is bended or obstructed
Check electrical components (connec-
tions and continuity of internal wiring)
Remove the obstruction
Replace drain pump
DEFECTIVE
Replace limit float switch (MS)
DEFECTIVE
YES
Check limit float switch
(MS)
YES
Check drain pump motor
(PC)
Remove the pump delaying device (CRP)
and rewire the drain pump (PC) without it.
Connect the first white wire to N terminal of
unit terminal strip. The connetc the second
white wire to the power relay (PR): NO ter-
mial for AU 310 HL unit, 8 termial for AU
213 CL unit, 14 terminal for AU 210 CL unit.
DEFECTIVE
YES
Check pump delaying device (CRP)
only for 95 version units
C
D
Check setting temperature
Outdoor unit does not run when air conditioner is in following conditions.
●
During thermo OFF (When the room temperature is below the setting temperature)
●
During freeze prevention (for 6 minutes).
Check power relay
Outdoor unit does
not run
NO
Is room temperature too low?
Check room sensor (thermistor TH2).
Try to lower setting temperature by tem-
perature setting button “cooler”
OK
Thermostat or PCB assy is
defective.
OK
Check coil resistance of power relay (PR)
PCB Ass’y defective.
DEFECTIVE
Replace power relay.
●
Only outdoor unit and compressor do not run
