Self Diagnosis Display; Breakdown Self Diagnosis Function; Alphanumeric Code) - Panasonic CS-ME10DTEG Service Manual

9 Self Diagnosis Display

9.1. Breakdown Self Diagnosis Function (Three Digits Alphanumeric Code)
• Once abnormality has been detected during operation, the
unit will immediately stop its operation. (Timer LED blinks.)
• Although timer LED goes off when power supply is turned
off, if the unit is operated under a breakdown condition, the
LED will light up again.
• In operation after breakdown repair, error code is not
displayed. The last error code (abnormality) will be saved in
IC memory.
• Timer LED Blinking in Abnormal Operation:
1. Automatically stops the operation.
2. Timer LED on display of the indoor unit blinks.
3. The LED will be off if the unit is turned off or the Error
RESET button on the remote controller is pressed.
• To display memorized error (Protective operation)
status:
1. Turn the unit on.
2. Press the CHECK button on the remote controller for
continuously 5 seconds or more with a pointed object to
appear "--" on the display.
3. Press the "TIMER"
controller to appear "H00" on the display. Signal is
transmitted to the main unit.
4. Press the "TIMER"
is pressed, the display goes back.) repeatedly and
slowly until Beeps
intermittently) is heard from main unit.
5. Then, displayed error code matches to the error code
saved in unit memory. The power LED on the main unit
also lights up.
Mote: When the
continuously for 5 seconds again, or when no
operation continues for 30 seconds, or when the
RESET button on remote controller is pressed with
a pointed object, the display is cancelled.
• To clear memorized error (Protective operation) status
after repair:
1. Press the AUTO button in main unit continuously for 5
seconds or more and release it. (Test run / Pump down
operation: Beep sound)
2. Press the CHECK button on remote controller for about
1 second with a pointed object to transmit signal to main
unit. A beep sound is heard from main unit and the data
is cleared.
• Temporary
Operation
status)
1. Press the ON/OFF button after selecting Cooling or
Heating operation. (Receiving Beep sound is heard and
the TIMER LED blinks.)
2. The unit can temporarily be used until repaired.
or button on the remote
button (When the
sound (about 5 seconds
CHECK button is pressed
(Depending on breakdown
button
Error Code
H23
H27, H28
91
Operation Temporary items
Cooling Emergency Operation
with limited power
Cooling, Heating