Mitsubishi Electric PLA-ZRP71BA / PUHZ-SHW80VHA [15/38] Test run
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Mitsubishi Electric PLA-ZRP71BA / PUHZ-SHW80VHA [15/38] Test run

Mitsubishi Electric PLA-ZRP71BA / PUHZ-ZRP71VHA [15/38] Test run
15
7. Test run
OPERATION
INDICATOR
lamp blinking
pattern
Beep Beep Beep Beep Beep Beep Beep
Off
Approx. 2.5 sec.
On
Approx. 3 sec.
On
0.5 sec.
On
0.5 sec.
On
0.5 sec.
On
0.5 sec.
Off
Approx. 2.5 sec.
On
Approx. 3 sec.
On
0.5 sec.
On
0.5 sec.
· · · Repeated
Number of blinks/beeps in pattern indicates the check
code in the following table (i.e., n=5 for “U2”)
Number of blinks/beeps in pattern indicates
the check code in the following table
n
th
1
st
2
nd
3
rd
1
st
2
nd
Self-check
starts
(Start signal
received)
Beeper sounds
[Output pattern B]
OPERATION
INDICATOR
lamp blinking
pattern
Beep
Beep Beep Beep Beep Beep Beep
Off
Approx. 2.5 sec.
On
0.5 sec.
On
0.5 sec.
On
0.5 sec.
On
0.5 sec.
Off
Approx. 2.5 sec.
On
0.5 sec.
On
0.5 sec.
· · · Repeated
Number of blinks/beeps in pattern indicates the check
code in the following table (i.e., n=5 for “P5”)
Number of blinks/beeps in pattern indicates
the check code in the following table
n
th
1
st
2
nd
3
rd
1
st
2
nd
Self-check
starts
(Start signal
received)
Beeper sounds
• Refer to the following tables for details on the check codes. (Wireless remote controller)
[Output pattern A]
[Output pattern
A] Errors detected by indoor unit
Wireless remote controller
Wired remote
controller
Symptom Remark
Beeper sounds/OPERA
TION
INDICATOR lamp blinks
(Number of times)
Check code
1 P1 Intake sensor error
2
P2 Pipe (TH2) sensor error
P9 Pipe (TH5) sensor error
3 E6, E7 Indoor/outdoor unit communication error
4 P4 Drain sensor error / Float switch connector open
5
P5 Drain pump error
PA Forced compressor error
6 P6 Freezing/Overheating protection operation
7 EE Communication error between indoor and outdoor units
8 P8 Pipe temperature error
9 E4 Remote controller signal receiving error
10 — —
11 — —
12 Fb Indoor unit control system error (memory error, etc.)
14 PL Refrigerant circuit abnormal
No sound E0, E3 Remote controller transmission error
No sound E1, E2 Remote controller control board error
No sound – – – – No corresponding
[Output pattern B]
Errors detected by unit other than indoor unit (outdoor unit, etc.)
Wireless remote controller
Wired remote
controller
Symptom Remark
Beeper sounds/OPERATION
INDICATOR lamp blinks
(Number of times)
Check code
1 E9 Indoor/outdoor unit communication error (Transmitting error) (Outdoor unit)
For details, check the LED
display of the outdoor controller
board.
2 UP Compressor overcurrent interruption
3 U3, U4 Open/short of outdoor unit thermistors
4 UF Compressor overcurrent interruption (When compressor locked)
5 U2 Abnormal high discharging temperature/49C worked/insufcient refrigerant
6 U1, Ud Abnormal high pressure (63H worked)/Overheating protection operation
7 U5 Abnormal temperature of heat sink
8 U8 Outdoor unit fan protection stop
9 U6 Compressor overcurrent interruption/Abnormal of power module
10 U7 Abnormality of super heat due to low discharge temperature
11 U9, UH
Abnormality such as overvoltage or voltage shortage and abnormal
synchronous signal to main circuit/Current sensor error
12 — —
13 — —
14 Others Other errors (Refer to the technical manual for the outdoor unit.)
*1 If the beeper does not sound again after the initial 2 beeps to conrm 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 3 times continuously “beep, beep, beep (0.4 + 0.4 + 0.4 sec.)” after the initial 2 beeps to conrm the self-check start signal was received, the specied
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 in the LCD.
01_BH79D045K08_EN.indd 15 2014/02/13 13:21:00

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