SiBE811001EB
Troubleshooting
CONVENI-PACK
142
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
1
STD
compressor
OC activation
E0
OC activation
STD compressor current > 28.75 A (200 V)
STD compressor current > 14.95 A (400 V)
2
• STD compressor ready to start after 30 minutes
• Backup by remaining INV. compressors or STD
compressors
• Retry counter clears after STD compressor runs 10
min. or more total.
ON if compressor on refrigeration
equipment is running.
—
ON if AIRNET not present
(3)
1
[E0 retry code]
2
(E0 output)
01
(STD1)
02
(STD2)
STD compressor stops due to error
Reset the remote controller or the operation
switch, or recycle power
2
STD1
compressor
SC crack
actuation
E0
High pressure
sensor, low
pressure
sensor for air-
conditioning
2
ON if INV. compressor is ready to run.
—
ON if AIRNET not present
(3)
1
[E0 retry code]
2
(E0 output)
11
STD1 compressor stops due to error
Reset the remote controller or the operation
switch, or recycle power
3
STD2
compressor
SC crack
actuation
E0
High pressure
sensor, low
pressure
sensor for air-
conditioning
2
ON if compressor on refrigeration
equipment is running.
—
ON if AIRNET not present
(3)
1
[E0 retry code]
2
(E0 output)
12
STD2 compressor stops due to error
Reset the remote controller or the operation
switch, or recycle power
4
Earth
leakage
E2
Earth leakage
breaker or
earth leakage
detection PCB
• Breaker tripped before 10 sec. or more
since the power was turned ON, or the
earth leakage PCB was activated.
—
—
ON if compressor on refrigeration
equipment is running.
—
ON if AIRNET not present
1
10~12
or
01~03
All running compressors stop due to error
After resetting, the backup status output
turns ON
• Recycle power with operation switch in ON
position to shutdown compressor with
earth leak and enable backup operation.
• After compressor with earth leak is
repaired, recycle power with operation
switch in OFF position to clear the error.
Earth leakage
detection PCB
HPS contacts OFF when HP
≤
3.44 MPa
(400 V)
—
—
ON if compressor on refrigeration
equipment is running.
(ON)
(ON if AIRNET not present)
1
01~03
All running compressors stop due to error
If all compressors stop the error stop output
turns ON
Otherwise, the backup status output turns
ON
5
High
pressure
error
E3
High pressure
switch
HPS activated at 3.8 MPa or higher (400 V)
—
—
ON if compressor on refrigeration
equipment is running.
(ON)
(ON if AIRNET not present)
1
00~02
All running compressors stop due to error
If HPS1 and HPS2 activated, the cooling
equipment stops and the R1 signal turns
OFF
If HPS3 activated, air conditioning stops
Recycle power or reset the operation switch
High pressure
sensor
HP > 3.4 MPa: Cooling mode
HP > 3.35 MPa: Heating mode
3
• If only INV. was running: -5 steps
• Otherwise: NON stops
• INV. compressor standby time: 1 min.
• STD compressor standby time: 3 - 10 min.
• Compressor max limit is ON during retry attempts
• Retry counter decrements 1 when compressor runs
3 min. or more total.
• R1 signal turns OFF while retry is in standby
ON if compressor on refrigeration
equipment is running.
—
ON if AIRNET not present
(4)
1
[E3 retry code]
2
(E3 output)
00
STD2 compressor stops due to error
Reset the remote controller or the operation
switch, or recycle power
5
—
ON if AIRNET not present
(6)
6
00
STD1 compressor stops due to error
7
ON
(8)
OFF
8
00
INV. compressor stops due to error
Reset the remote controller or the operation
switch, or recycle power
6
Low pressure
error
E4
Low pressure
sensor for
refrigeration
equipment
• LP1 < -0.025 MPa
• LPS1 activated 3 sec. continuously (STD1
only)
• Sensor activated after cooling equipment
ran 3 hours continuously after power was
turned ON
19
• INV. compressor stops
• STD1 compressor stops
• INV. compressor standby time: 90 sec.
• STD compressor standby time: 5 min.
• Retry counter clears when cooling equipment
startup completes
• R1 signal turns OFF while retry is in standby
OFF
ON
(20)
OFF
20
00
Refrigeration equipment stops due to error
only if the low pressure sensor activates
within 3 hours after the power was turned
ON.
Reset the remote controller or the operation
switch, or recycle power
Low pressure
sensor for air-
conditioning
LP2 < 0 MPa continued 2 sec.
4 (if air-conditioner
ran less than 1
hour continuously
after power was
turned ON)
9 (if 1 hour or
longer)
• STD compressor standby time: 2 - 10 min.
• Retry counter clears when compressor runs 1 min.
continuously after starting.
ON if compressor on refrigeration
equipment is running.
ON
(5)
(within 1 hour)
(10)
(over 1 hour)
OFF
5
(within 1 hour)
10
(over 1 hour)
01
Air conditioning stops due to error.
7
DC
compressor
lock
E5
INV. PCB
Abnormal phase current waveform
between the INV. PCB and compressor
3
• INV. compressor stops
• INV. compressor standby time: 3 - 6 min.
• 4
th
retry: "E5" sent to AIRNET
• 5
th
retry: confirms INV. compressor error
• Retry counter clears when INV. compressor runs 10
min. or more total.
• R1 signal turns OFF while retry is in standby
ON if compressor on refrigeration
equipment is running.
—
—
1
[E5 retry code]
4
(E5 output)
00
—
Reset the remote controller or the operation
switch, or recycle power
4
—
ON if AIRNET not present
(5)
INV. compressor stops due to error
8
Fan 1 lock
E7
Fan driver
Fan motor error
Loose or disconnected connector
3
• Outdoor fan stops
• Running compressors stop
• Outdoor fan standby time: 1 min.
• Retry counter clears when outdoor unit fan runs for
10 min. or more total.
ON if compressor on refrigeration
equipment is running.
—
—
1
[E7 retry code]
4
(E7 output)
00
• Outdoor fan stops
• Running compressors stop
• If the error occurs for both outdoor unit
fans 1 and 2, the outdoor error occurs and
all compressors and all outdoor unit fans
stop.
Reset the remote controller or the operation
switch, or recycle power
4
ON if compressor on refrigeration
equipment is running.
OFF if error occurs for both outdoor
unit fans 1 and 2.
—
ON if AIRNET not present
(5)
9
Fan 2 lock
3
ON if compressor on refrigeration
equipment is running.
—
—
01
4
ON if compressor on refrigeration
equipment is running.
OFF if error occurs for both outdoor
unit fans 1 and 2.
—
ON if AIRNET not present
10
Y1E, Y2E,
Y3E error
E9
Outdoor unit
main PCB
Loose or disconnected connector
—
—
OFF
ON
—
1
01
System stops
Check the connector, then recycle the power
—
—
OFF
ON
—
02
—
—
OFF
ON
—
03
11
Y4E, Y5E
error
Sub PCB
—
—
OFF
ON
—
04
—
—
OFF
ON
—
05
12
Booster error
judgement
EC
Booster alarm Booster sensor error, etc.
See BU error list. See BU error list
ON if compressor on refrigeration
equipment is running.
—
ON if AIRNET not present
See BU error list
00
Output when the booster sensor is defective.
Check the booster sensor. The booster will
start normally as soon as all sensors, except
the LP sensor, return to their normal state. If
the LP sensor is defective, correct it, then
reset the operation switch or the power.
13
Wrong target
evaporating
temperature
setting
EE
Outdoor unit
main PCB
When the booster unit is connected, the
target evaporating temperature setting of
the outdoor unit is -20°C or less.
—
—
ON if compressor on refrigeration
equipment is running.
—
ON if AIRNET not present
1
00
—
Reset automatically
when the target evaporating temperature
setting is -20°C or more.
&
• Operating mode = 8, 43
• HP - LP2 < 3 continues 2 min. or more
&
• Operating mode = 11, 12, 24, 46, 47, 59
• HP - LP2 < 3 continues 2 min. or more
