En-28
10. OTHERS
1
1
10-1. Troubleshooting
WARNING
• In the event of a malfunction (burning smell, etc.),
immediately stop operation, turn off the electrical breaker
and consult authorized service personnel.
• Merely turning off the unit’s power switch will not
completely disconnect the unit from the power source.
Always be sure to turn off the electrical breaker to ensure
that power is completely off.
Before requesting service, perform the following checks:
Symptom
Items to check
See
Page
CHECK
ONCE
MORE
Doesn’t
operate
at all:
• Has the circuit breaker been
turned off?
• Has there been a power
failure?
• Has a fuse blown out, or a
circuit breaker been tripped?
─
• Is the timer operating?
─
• Is key lock enabled?
8
Power
indicator
is blinking:
• Has the circuit breaker been
turned off?
• Has a fuse blown out, or a
circuit breaker been tripped?
Power indicator
4
NORMAL
FUNCTION
Air
fl
ow is
stopped:
• During Heating operation,
the unit will temporarily stop
operation (between 4 and 15
minutes) as the Automatic
Defrosting mode operates.
─
• During Heating operation,
the unit will temporarily stop
operation (Max. 5 minutes)
a s t h e A u t o m a t i c O i l
Recovery mode operations.
─
• When operated in a incorrect
combination of operation
m o d e , t h e i n d o o r u n i t
stops directly and display
of corresponding indoor
u n i t s i s b l i n k i n g o n t h e
“Monitor”screen of the central
remote controller.
9
If the problem persists after performing these checks, or if you
notice burning smells, stop operation immediately, turn off the
electrical breaker, and consult with authorized service person-
nel.
Notice
For an error displayed on the indoor unit or the standard
remote controller, refer to the operating manual and the
installation manual for the indoor unit.
10-2. Error code
This appears automatically on the display if an error occurs.
If an error occurs, the following display will be shown.
If “Error Code XX” is displayed, immediately contact authorized
service personnel.
Stop air conditioner operation and please consult authorized
service personnel.
Error
Code XX
Error code
Contents
12
Remote controller communication error
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