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SiBE811001EB
Troubleshooting
CONVENI-PACK
144
25
LPS1 fault
detection
H4
LPS1
—
—
ON if compressor on refrigeration
equipment is running.
—
ON if AIRNET not present
1
00
STD1 compressor stops
Reset the remote controller or the operation
switch, or recycle power
—
• LPS1 activated 5 sec. or more
continuously
Infinite
Standby 2 - 10 min.
—
—
—
—
Resets automatically
26
Fan 1
position
signal
abnormal
H7
Abnormal
signal from fan
motor
An abnormal signal was detected from the
fan motor at the start of operation.
4
• Outdoor unit fan stops
• Running compressors stop
• Outdoor unit fan standby: 1 min.
• Retry counter resets when outdoor unit fan runs 10
min. or more total.
ON if compressor on refrigeration
equipment is running.
OFF
OFF
1
[H7 retry code]
4
(H7 output)
00
—
Reset the remote controller or the operation
switch, or recycle power
5
OFF
ON if AIRNET not present
Outdoor unit fan 1 stops
Running compressors stop
27
Fan 2
position
signal
abnormal
4
ON if compressor on refrigeration
equipment is running.
OFF
OFF
01
—
5
OFF
ON if AIRNET not present
Outdoor unit fan 2 stops
Running compressors stop
28
Ta sensor
error
H9
Ta sensor
Ta
≥
90°C
—
—
ON if compressor on refrigeration
equipment is running.
—
ON if AIRNET not present
1
00
Substituted with temperature 1 sec. before
error occurred
Automatically resets when -43.6°C < Ta <
90°C continues 10 sec. or longer
Ta
≤
-43.6°C
—
—
—
ON if AIRNET not present
29
MP sensor
error
J0
MP sensor
With the operation switch ON,
MP
≥
4.3 MPa continued 10 min. or more
—
—
ON if compressor on refrigeration
equipment side is running.
ON
OFF
1
00
Air-conditioner side stops due to error
• STD2 compressor stops
• STD1 compressor stops (if on air-
conditioner side)
• After error is confirmed, MP uses a
substitute value
Automatically resets when
0.01 MPa < MP <4.3 MPa
With the operation switch ON,
MP
≤
0.01 MPa continued 10 min. or more
—
—
ON
OFF
30
LP2 sensor
error
J1
LP2 sensor
9
• Running STD compressors stop
• STD compressor standby: 5 min.
• Retry code "J1" sent to AIRNET
ON if compressor on refrigeration
equipment side is running.
ON
(5)
OFF
1
(retry code)
5
(J1)
01
Air-conditioner side stops due to error
• STD2 compressor stops
• STD1 compressor stops (if on air-
conditioner side)
Reset the remote controller or the operation
switch, or recycle power
With the operation switch ON,
LP2
≤
-0.05 MPa for 5 min. or more
4
(Retry count
increments 1
every 5
continuous min.)
Retry code "J1" sent to AIRNET
OFF
ON if AIRNET not present
(10)
1
(retry code)
10
(J1)
00
Air-conditioner side will not start
Automatically resets when
-0.01 MPa < LP2 < 1.8 MPa
31
CT1 sensor
error
J2
CT1 sensor
Stopped:A_STD1 > 40.0 A for 5 sec. or
more continuous
(common for 200 - 400 V)
—
—
ON if compressor on refrigeration
equipment side is running.
—
ON if AIRNET not present
1
01
STD1 compressor stops
Reset the remote controller or the operation
switch, or recycle power
Running:A_STD1 < 2.0 A (400 V) for 30 sec.
or more continuous
32
CT2 sensor
error
CT2 sensor
Stopped:A_STD2 > 40.0 A for 5 sec. or
more continuous
—
—
ON if compressor on refrigeration
equipment side is running.
—
ON if AIRNET not present
1
02
STD2 compressor stops
Running:A_STD2 < 2.0 A (400 V) for 30 sec.
or more continuous
33
Td1 thermistor
error
F3
or
J3
Td1 thermistor
Td1
≥
165°C
—
—
ON if compressor on refrigeration
equipment side is running.
(ON)
(ON if AIRNET not present)
1
01
INV. compressor stops
In terms of control logic, this is code "J3"
(abnormal sensor), but code "F3" (INV.
compressor discharge pipe temperature
retry), may take precedence.
If F3: error output goes ON, backup status
output goes OFF
If J3: error output goes OFF, backup status
output goes ON
Recycle power or reset the operation switch.
J3
4
INV. compressor stops (1 min. standby)
—
ON if AIRNET not present
(5)
5
INV compressor stops
Automatically resets when
-20°C < Td2 < 165°C
Reset the remote controller or the operation
switch, or recycle power
34
Td2 thermistor
error
F3
or
J3
Td2 thermistor
Td2
≥
165°C
—
—
ON if compressor on refrigeration
equipment side is running.
(ON)
(ON if AIRNET not present)
1
02
STD1 compressor stops
In terms of control logic, this is code "J3"
(abnormal sensor), but code "F3" (STD1
compressor discharge pipe temperature
retry), may take precedence.
If F3: error output goes ON, backup status
output goes OFF
If J3: error output goes OFF, backup status
output goes ON
Recycle power or reset the operation switch.
J3
4
STD1 compressor stops (3 min. standby)
—
ON if AIRNET not present
(5)
5
STD1 compressor stops
Automatically resets when
-20°C < Td2 < 165°C
Reset the remote controller or the operation
switch, or recycle power
35
Td3 thermistor
error
F3
or
J3
Td3 thermistor
Td3
≥
165°C
—
—
ON if compressor on refrigeration
equipment side is running.
(ON)
(ON if AIRNET not present)
1
03
STD2 compressor stops
In terms of control logic, this is code "J3"
(abnormal sensor), but code "F3" (STD2
compressor discharge pipe temperature
retry), may take precedence.
If F3: error output goes ON, backup status
output goes OFF
If J3: error output goes OFF, backup status
output goes ON
Recycle power or reset the operation switch.
J3
4
STD2 compressor stops (3 min. standby)
—
ON if AIRNET not present
(5)
5
STD2 compressor stops
Automatically resets when
-20°C < Td3 < 165°C
Reset the remote controller or the operation
switch, or recycle power
List of Error Codes (LRYEQ16AY1)
No.
Item
Code
(Remote
controller
display)
Detection
device
Detection conditions
Times of retry
Retry action
R1 signal
Abnormal
stop output
Output during backup
(Only when AIRNET
address is 0)
Times when using
AIRNET output
Sub-classification code
(only for BRC1E1/2/3
remote controllers)
Processing after error is confirmed
Reset procedure
&
&
• LPS1 activated 10 min. or more
continuously
• Operation switch: OFF
• Operation switch: ON & STD1 is
stopped
&
• LP2
≥
1.8 MPa continued 15 sec.
• STD1 or STD2 compressor is running
&
• Td1
≤
-20˚C continued 90 sec.
• INV. compressor is running
&
• Td2
≤
-20˚C continued 90 sec.
• STD1 compressor is running
&
• Td3
≤
-20˚C continued 90 sec.
• STD2 compressor is running