[TEST] button
Pipe (liquid) temperature
Displays the remaining
test run time.
"TEST RUN" and the currently selected
operation mode are displayed altemately.
A
B
C
F
59
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Remote Controller Display
Symptoms in test run mode
OUTDOOR BOARD LED Display
Cause
Remote controller displays “PLEASE
WAIT”, and cannot be operated.
After power is turned on, “PLEASE WAIT”
is displayed for 3 minutes, then check
code is displayed.
No display appears even when remote
controller operation switch is turned on.
(Operation lamp does not light up.)
Display appears but soon disappears
even when remote controller is operated.
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minutes during system startup. (Normal)
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After “startup” is displayed, only
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After “startup” is displayed,
green (once) and red (once)
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After “startup” is displayed,
green (once) and red (twice)
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green (twice) and red (once)
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After “startup” is displayed, only
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After “startup” is displayed, only
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2. Press TEST button twice.
1. Turn on the main power supply.
3. Press OPERATION SWITCH
button.
4. Press AIR DIRECTION button.
5. Check the outdoor unit fan for
correct running.
6. Press the ON/OFF button to reset the test run in progress.
7. Register the contact number.
While the room temperature display on the remote
controller is “PLEASE WAIT”, the remote controller is disabled.
Wait until “PLEASE WAIT” disappears before using remote controller.
“PLEASE WAIT” appears for about 2 minutes after power
supply is turned on. *1
The outdoor unit features automatic capacity control to
provide optimum fan speeds. Therefore, the fan keeps
running at a low speed to meet the current outside air
condition unless it exceeds its available maximum power.
Then, in actuality, the fan may stop or run in the reverse
direction depending on the outside air, but this does not
mean malfunction.
Check for correct motion of auto-vanes.
Cooling mode: Check if cool air blows and water is drained.
Heating mode: Check if warm air blows. (It takes a little
while until warm air blows.)
The TEST RUN appears on the screen.
Operating procedures
B
C
A
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LCD
Contents of inferior phenomena
P1
P2
P4
P5
P6
P8
P9
Fb
Abnormality of room temperature thermistor
Abnormality of pipe temperature thermistor/Liquid
Abnormality of drain sensor/Float switch connector open
Drain overflow protection is working.
Freezing/overheating protection is working.
Abnormality of pipe temperature
Abnormality of pipe temperature thermistor/Cond./Eva
Abnormality of indoor controller board
LCD
Contents of inferior phenomena
U1~UP
F3~F9
E0~E5
E6~EF
----
FFFF
PA
Malfunction outdoor unit
Malfunction outdoor unit
Remote controller transmitting error
Indoor/outdoor unit communication error
No error history
No applied unit
Forced compressor stop(due to water leakage abnormality)
LED1 (microcomputer power supply)
LED2 (remote controller)
LED3
(indoor/outdoor communication)
Lits when power is supplied.
Lits when power is supplied for wired remote controller.
The indoor unit should be connected to the outdoor unit with address “0” setting.
Blinks when indoor and outdoor unit are communicating.
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10-2-1. Test run for wired remote controller <PAR21-MAA>
OCH567
