9
TROUBLESHOOTING
Problem
Cause
Remedy
Unit does not
●
operate. Stand-by
indicator does not
light up
Unit not connected to
●
power
Power failure
●
Plug in the power cord
●
Check main fuse
●
Unit does not
●
operate. Stand-by
indicator lights.
Remote control
●
malfunctions
The remote control is
●
locked
Check remote control
●
batteries
Try to operate from a closer
●
distance
Start from on-unit controls
●
Unlock the remote control
●
Unit does not respond
●
properly to remote
control command
IR signal does not
●
reach unit
Distance between
●
remote control and
unit too large or aimed
at from improper
angle
IR receiver on-unit
●
exposed to strong
light source
Check for obstruction between
●
unit and remote control. Clear
if needed.
Get closer to unit.
●
Dim lights, fluorescent
●
especially
Air does not blow out
●
from indoor unit
De-icing protection
●
mode is activated
Unit in AUTO FAN
●
mode
Over cooling in DRY
●
Normal operation in HEATING
●
mode
Normal operation in DRY
●
mode
COOLING, DRY or
●
HEATING does not
start immediately
3-min. Compressor
●
delayed start
Normal operation for these
●
modes
Unit functions but
●
does not perform
sufficiently
Improper temperature
●
setting
Unit capacity in
●
sufficient for load or
room size
Reset temperature
●
Consult your dealer
●
Before calling for service, please check the following common
malfunctions and correct it as needed.
Summary of Contents for DHA series
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