Breakdown Self Diagnosis Function - Panasonic CS-TE12DKE Service Manual

CS-TE9DKE CU-TE9DKE / CS-TE12DKE CU-TE12DKE

13.3. BREAKDOWN SELF DIAGNOSIS FUNCTION

13.3.1. 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. Slide the remote controller cover down to appear the
operating buttons.
3. Press the CHECK button on the remote controller for
continuously 5 seconds or more to appear "--" on the
display.
4. Press the "TEMP"
controller to appear "H00" on the display. Signal is
transmitted to the main unit.
5. Press the "TEMP"
pressed, the display goes back.) repeatedly and slowly
until Beep sound (about 5 seconds intermittently) is
heard from main unit.
6. 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 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 button is
CHECK button is pressed
(Depending on breakdown
Error Code Operation
H23 Cooling
H27, H28 Cooling, Heating
64
Temporary items
Emergency Operation
with limited power