Table of Contents
Advertisement
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).
• 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
NON STOP
CLOCK
OFFON
TIMER
TIMER
WEEKLY
1 2
NEXT DAY
TIMER
MODE
CLOCK ADJUST
Stop operation
Table 9
Error code
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
• 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.
AUTO
AUTO
CENTRAL
OFF
C
COOL
ON
DRY
F
FAN
DAY
ON
HEAT
DAY OFF
OFF
ANTI FREEZE
DEFROST TEST
SET TIME
TEMP./DAY
FAN
CONTROL
MASTER
CONTROL
ZONE
ENERGY SAVE
START/STOP
SET
DAY OFF
Error contents
Fig. 20
NON STOP
CLOCK
OFF
OFFON
ON
TIMER
TIMER
WEEKLY
ON
OFF
1 2
NEXT DAY
SET TIME
TIMER
MODE
CLOCK ADJUST
CLOCK
NON STOP
CENTRAL
OFF
OFFON
C
ON
F
TIMER
TIMER
DAY
WEEKLY
ON
DAY OFF
OFF
1 2
DEFROST TEST
NEXT DAY
SET TIME
TIMER
TEMP./DAY
MODE
CLOCK ADJUST
ZONE
SET
Error code
Blower temperature thermistor error
Drain abnormal
Room temperature abnormal
Indoor unit fan error
Transmission error
Node setting error
Parallel communication error
Outdoor unit error
AUTO
AUTO
CENTRAL
COOL
C
DRY
F
FAN
DAY
HEAT
DAY OFF
ANTI FREEZE
DEFROST TEST
TEMP./DAY
FAN
CONTROL
MASTER
CONTROL
ZONE
ENERGY SAVE
START/STOP
SET
DAY OFF
AUTO
AUTO
COOL
DRY
FAN
HEAT
ANTI FREEZE
FAN
CONTROL
MASTER
CONTROL
ENERGY SAVE
START/STOP
DAY OFF
Error contents
En-13
Advertisement
Table of Contents
