En-13
•
When EE : EE blinks at the current time display, there is an error inside the air conditioner. If the SET TIME button ( ) and SET
TEMP./DAY button ( ) are pressed simultaneously for more than three seconds, the self diagnosis check will start and the error
contents will be displayed at the current time display. In addition, the remote controller address will be displayed below. When the
operation lamp lights, press the START/STOP button and after operation lamp goes off, perform the same operation (Fig. 21).
Fig. 21
10. TEST OPERATION
Supply power to the crankcase heater for 12 hours prior to the start of operation in the winter.
The following is the procedure for the test operation.
1. TEST OPERATION USING CIRCUIT BOARD (OUTDOOR UNIT)
Refer to the Installation Instruction Sheet for the outdoor unit if the circuit board for the outdoor unit is to be used for the test operation.
2. TEST OPERATION USING REMOTE CONTROLLER
(1) Standard wired remote controller
•
For test running, when the remote controller FAN CONTROL
button and MASTER CONTROL button are pressed simulta-
neously for more than three seconds when the air conditioner is
not running, the air conditioner starts and TEST is displayed on
the remote controller display.
However, the SET TEMP./DAY setting button does not function,
but all other buttons, displays, and protection functions operate
(Fig. 20).
Fig. 20
•
To stop test running, press the START/STOP button.
•
For the operation method, refer to the operating manual and perform operation check.
•
Check that there are no abnormal sounds or vibration sounds during test running.
MASTER
CONTROL
FAN
CONTROL
TIMER
MODE
TEMP./DAY
SET TIME
CLOCK ADJUST
START/STOP
SET
DAY OFF
ZONE
ENERGY SAVE
COOL
FAN
DRY
HEAT
AUTO
AUTO
CLOCK
OFF
OFF
ON
ON
C
F
NEXT DAY
DAY
TIMER
NON STOP
OFFON
TIMER
WEEKLY
ANTI FREEZE
CENTRAL
DAY OFF
DEFROST TEST
1 2
Stop operation
MASTER
CONTROL
FAN
CONTROL
TIMER
MODE
TEMP./DAY
SET TIME
CLOCK ADJUST
START/STOP
SET
DAY OFF
ZONE
ENERGY SAVE
COOL
FAN
DRY
HEAT
AUTO
AUTO
CLOCK
OFF
OFF
ON
ON
C
F
NEXT DAY
DAY
TIMER
NON STOP
OFFON
TIMER
WEEKLY
ANTI FREEZE
CENTRAL
DAY OFF
DEFROST TEST
1 2
MASTER
CONTROL
FAN
CONTROL
TIMER
MODE
TEMP./DAY
SET TIME
CLOCK ADJUST
START/STOP
SET
DAY OFF
ZONE
ENERGY SAVE
COOL
FAN
DRY
HEAT
AUTO
AUTO
CLOCK
OFF
OFF
ON
ON
C
F
NEXT DAY
DAY
TIMER
NON STOP
OFFON
TIMER
WEEKLY
ANTI FREEZE
CENTRAL
DAY OFF
DEFROST TEST
1 2
Error code
Error contents
Blower temperature thermistor error
Drain abnormal
Room temperature abnormal
Indoor unit fan error
Transmission error
Node setting error
Parallel communication error
Outdoor unit error
Table 9
Error code
Error contents
No error
Model information abnormal
Power supply frequency abnormal
EEPROM access error
EEPROM deletion error
Room temperature thermistor error
Indoor unit heat exchanger thermistor (middle) error
Indoor unit heat exchanger thermistor (inlet) error
Indoor unit heat exchanger thermistor (outlet) error
