Mitsubishi Mr.Slim SUZ-SM71VA.TH, Техническое и сервисное руководство

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23
OCH706
[Output pattern A] Errors detected by indoor unit
[Output pattern B]
E9
1. If the beeper does not sound again after the initial 2 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 3 times continuously “beep, beep, beep (0.4 + 0.4 + 0.4 seconds)” after the initial 2 beeps to confirm
the self-check start signal was received, the specified refrigerant address is incorrect.
OPERATION
INDICATOR
lamp blink
pattern
Beep Beep Beep Beep Beep
Beep Beep
Off
Approx. 2.5 s
On
Approx. 3 s
On
0.5 s
On
0.5 s
On
0.5 s
On
0.5 s
Off
Approx. 2.5 s
On
Approx. 3 s
On
0.5 s
On
0.5 s
· · · 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 blink
pattern
Beep Beep Beep Beep Beep Beep Beep
Off
Approx. 2.5 s
On
0.5 s
On
0.5 s
On
0.5 s
On
0.5 s
Off
Approx. 2.5 s
On
0.5 s
On
0.5 s
· · · 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.
[Output pattern A]
Notes:
*The check code in the parenthesis indicates PAR-30/31MAA model.
Beeper sounds/OPERATION
INDICATOR lamp blinks Check code
Symptom Remark
(Number of times)
Wireless remote controller Wired remote controller
Beeper sounds/OPERATION
INDICATOR lamp blinks Check code
(Number of times)
Wireless remote controller Wired remote controller
1 P1
Intake sensor error
P9 Pipe (TH5) sensor error
2
P2 Pipe (TH2) sensor error
3 E6,E7
Indoor/outdoor unit communication error
4 P4 Drain sensor error/Float switch connector (CN4F) open
5
P5 Drain pump error
PA Forced compressor stop (due to water leakage abnormality)
6 P6 Freezing/Overheating protection operation
7 EE Communication error between indoor and outdoor units
9 E4, E5 Remote controller signal receiving error
Errors detected by unit other than indoor unit (outdoor unit, etc.)
Symptom
1
Indoor/outdoor unit communication error
2
(Transmitting error) (Outdoor unit)
3 Open/short of outdoor unit thermistors
UP
U3,U4
14
12
14
Fb (FB)*
PL
Indoor unit control system error (memory error, etc.)
–
E0, E3
– E1, E2 Remote controller control board error
Remote controller transmission error
Abnormality of refrigerant circuit
Compressor overcurrent interruption
As for indoor
unit, refer to
indoor unit's
service manual.
PL or others Abnormality of refrigerant circuit or other errors (Refer to the technical manual for the outdoor unit.)
[Output pattern A] Errors detected by indoor unit
Wireless remote controller
Wired remote controller
Symptom Remark
Beeper sounds/OPERATION
INDICATOR lamp blinks
(Number of times)
Checkcode
1 P1 Intake sensor error
As for indoor
unit, refer to
indoor unit's
service manual.
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 (CN4F) open
5
P5 Drain pump error
PA Forced compressor stop (due to water leakage abnormality)
6 P6 Freezing/Overheating protection operation
7 EE Communication error between indoor and outdoor units
9 E4,E5 Remote controller signal receiving error
12 Fb (FB)* Indoor unit control system error (memory error, etc.)
14 PL Abnormality of refrigerant circuit
- E0,E3 Remote controller transmission error
- E1,E2 Remote controller control board error
[Output pattern B] Errors detected by unit other than indoor unit (outdoor unit, etc.)
Wireless remote controller
Wired remote controller
Symptom
Beeper sounds/OPERATION
INDICATOR lamp blinks
(Number of times)
Checkcode
1 E9
Indoor/outdoor unit communication error
(Transmitting error) (Outdoor unit)
2 UP Compressor overcurrent interruption
3 U3,U4 Open/short of outdoor unit thermistors
14 PL or Others Abnormality of refrigerant circuit or other errors
(Refer to the technical manual for the outdoor unit.)
Notes: 1. If the beeper does not sound again after the initial 2 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 3 times continuously “beep, beep, beep (0.4 + 0.4 + 0.4 sec.)” after the initial 2 beeps to
confirm the self-check start signal was received, the specified refrigerant address is incorrect.
*The check code in the parenthesis indicates PAR-3xMAA model.("x" represents 0 or later)