Mitsubishi Electric PEA-RP100 Installation Manual page 21

9. Test run
9.3. Test run
9.3.1. Using wireless remote controller (option)
[Fig. 9-3] (P.11)
① Turn on the power to the unit at least 12 hours before the test run.
② Press the TEST RUN button Ⓐ twice continuously.
(Start this operation from the status of remote controller display turned off.)
TEST RUN and current operation mode are displayed.
③ Press the MODE button Ⓑ to activate COOL mode, then check whether cool
air is blown out from the unit.
[Output pattern A] Errors detected by indoor unit
Wireless remote controller
Beeper sounds/OPERATION
INDICATOR lamp flashes
(Number of times)
1
2
3
4
5
6
7
8
9
10
11
12
No sound
[Output pattern B] Errors detected by unit other than indoor unit (outdoor unit, etc.)
Wireless remote controller
Beeper sounds/OPERATION INDICATOR
lamp flashes (Number of times)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
*1 If the beeper does not sound again after the initial two beeps to confirm the self-check start signal was received and the OPERATION INDICATOR lamp does
not come on, there are no error records.
*2 If the beeper sounds three times continuously "beep, beep, beep (0.4 + 0.4 + 0.4 sec.)" after the initial two beeps to confirm the self-check start signal was
received, the specified refrigerant address is incorrect.
• On wireless remote controller
The continuous buzzer sounds from receiving section of indoor unit.
Blink of operation lamp
• On wired remote controller
Check code displayed on the LCD.
• Check that all LEDs on the two control boards on the indoor unit are lit or blinking (3 each, 6 total).
• If the unit cannot be operated properly after the above test run has been performed, refer to the following table to remove the cause.
Wired remote controller
PLEASE WAIT
PLEASE WAIT → Error code
Display messages do not appear
even when operation switch is
turned ON (operation lamp does
not light up).
Wired remote
controller
Check code
P1 Intake sensor error
P2, P9 Pipe (Liquid or 2-phase pipe) sensor error
E6, E7 Indoor/outdoor unit communication error
P4 Drain sensor error
P5 Drain pump error
P6 Freezing/Overheating safeguard operation
EE Communication error between indoor and outdoor units
P8 Pipe temperature error
E4 Remote controller signal receiving error
– –
PB Fan motor error
Fb Indoor unit control system error (memory error, etc.)
– – No corresponding
Indoor/outdoor unit communication error (Transmitting error) (Outdoor unit)
Compressor overcurrent interruption
Open/short of outdoor unit thermistors
Compressor overcurrent interruption (When compressor locked)
Abnormal high discharging temperature/49C worked/ insufficient refrigerant
Abnormal high pressure (63H worked)/ Overheating safeguard operation
Abnormal temperature of heat sink
Outdoor unit fan protection stop
Compressor overcurrent interruption/Abnormal of power module
Abnormality of super heat due to low discharge temperature
Abnormality such as overvoltage or voltage shortage and abnormal
synchronous signal to main circuit/Current sensor error
–
–
Other errors (Refer to the technical manual for the outdoor unit.)
Symptom
LED 1, 2 (PCB in outdoor unit)
After LED 1, 2 are lighted, LED 2 is turned
For about 2 minutes
off, then only LED 1 is lighted. (Correct
following power-on
operation)
Only LED 1 is lighted. → LED 1, 2 blink.
After about 2
minutes has expired
following power-on
Only LED 1 is lighted. → LED 1, 2 blinks
twice, LED 2 blinks once.
④ Press the MODE button Ⓑ to activate HEAT mode, then check whether warm
air is blown out from the unit.
⑤ Press the FAN button Ⓒ and check whether fan speed changes.
⑥ Press the VANE button Ⓓ and check whether the auto vane operates properly.
⑦ Press the ON/OFF button to stop the test run.
Note:
• Point the remote controller towards the indoor unit receiver while
following steps ② to ⑦.
• It is not possible to run the in FAN, DRY or AUTO mode.
Symptom
Symptom
• For about 2 minutes after power-on, operation of the
remote controller is not possible due to system start-up.
(Correct operation)
• Connector for the outdoor unit's protection device is not
connected.
• Reverse or open phase wiring for the outdoor unit's power
terminal block (L1, L2, L3)
• Incorrect wiring between indoor and outdoor units (incorrect
polarity of S1, S2, S3)
• Remote controller wire short
Remark
Remark
For details, check the LED
display of the outdoor controller
board.
Cause
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