Self Diagnosis Display - Panasonic CS-ME7EB1E Service Manual

CS-ME7EB1E / CS-ME10EB1E / CS-ME12EB1E / CS-ME14EB1E

10.6.3. Self Diagnosis display

10.6.3.1. 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"
pressed, the display goes back.) repeatedly and slowly until
Beeps sound (about 5 seconds 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.
Note: When the CHECK button is pressed
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
5seconds or more and release it. (Test run / Pump
downoperation: 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 (Depending on breakdownstatus)
1. Press the ON/OFF button after selecting Cooling or Heating
operation. (Receiving Beep sound is heard andthe TIMER
LED blinks.)
2. The unit can temporarily be used until repaired.
or button on the remote
button (When the button is
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