Daikin ERQ Service Manual page 163

ESIE09-05
Symptom
15 LCD display "88" Immediately after turning ON
appears on the the power supply
remote
controller.
16 The outdoor unit After stopping operation
compressor or
the outdoor unit
fan does not
stop.
17 The outdoor gets While stopping operation
hot.
18 Hot air comes Hot air is felt while the system
out from the stops.
system even
though it stops.
19 The system does The system is in dry operation. The reason is that the dry
not cool air well.
Troubleshooting
Supposed Cause
The reason is that the system is
checking to be sure the remote
controller is normal.
It stops in order to prevent oil or
refrigerant from dwelling.
The reason is that the compressor
is warmed up to provide smooth
startup of the system.
On VRV systems, small quantity
of refrigerant is fed to AHUs in the
stopped state when other AHUs
are in operation.
operation serves not to reduce
the room temperature where
possible.
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Symptom-based Troubleshooting
Countermeasure
Normal operation.
This code is displayed for a period
of approximately one minute at
maximum.
Normal operation.
It stops after a lapse of
approximately 5 to 10 minutes.
Normal operation.
Normal operation.
Change the system to cooling
operation.
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