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[7-8 Error Code Definitions and Solutions: Codes [6000 - 6999] ]
- 282 -
HWE1314A
GB
7-8-24
Error Code [6843]
1. Error code definition
A control communication start bit detection error
2. Error definition and error detection method
Indoor/outdoor unit communication error (Signal receiving error)
Abnormal if indoor controller board could not receive any signal normally for 6 minutes after turning the power on.
Abnormal if indoor controller board could not receive any signal normally for 3 minutes.
Consider the unit as abnormal under the following condition. When 2 or more indoor units are connected to an outdoor unit,
indoor controller board could not receive a signal for 3 minutes from outdoor controller circuit board, a signal which allows
outdoor controller circuit board to transmit signals.
3. Cause, check method and remedy
1. Error code definition
A control communication start bit detection error
2. Error definition and error detection method
Indoor/outdoor unit communication error (Signal receiving error)
(Outdoor unit)
Abnormal if outdoor controller circuit board could not receive anything normally for 3 minutes.
3. Cause, check method and remedy
Cause
Check method and remedy
(1)
Contact failure, short circuit or miswiring (converse wiring) of in-
door/outdoor unit connecting wire
Check disconnecting or looseness of indoor
/outdoor unit connecting wire of all indoor
units or outdoor units.
(2)
Defective transmitting receiving circuit of outdoor controller cir-
cuit board.
Turn the power off, and on again to check. If
abnormality generates again, replace indoor
controller board or outdoor controller circuit
board.
Note: ther indoor controller board may have
defect.
(3)
Defective transmitting receiving circuit of indoor controller board.
(4)
Noise has entered into indoor/outdoor unit connecting wire.
(5)
Defective fan motor
Turn the power off, and detach fan motor
from connector (CNF1, 2). Then turn the
power on again. If abnormality is not dis-
played, replace fan motor. If abnormality is
displayed, replace outdoor controller circuit
board.
(6)
Defective rush current resistor of outdoor power circuit board
Check the rush current resistor on outdoor
power circuit board with tester. If open is de-
tected, replace the power circuit board.
Cause
Check method and remedy
(1)
Contact failure of indoor/outdoor unit connecting wire
Check disconnection or looseness of indoor/
outdoor unit connecting wire of indoor or out-
door units.
(2)
Defective communication circuit of outdoor controller circuit
board
Turn the power off, and on again to check.
Replace indoor controller board or outdoor
controller circuit board if abnormality is dis-
played again.
(3)
Defective communication circuit of indoor controller board
(4)
Noise has entered into indoor/outdoor unit connecting wire.
Содержание PURY-EP200YLM-A
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Страница 13: ... 2 HWE1314A GB ...
Страница 29: ... 1 5 Cautionary notes on installation environment and maintenance 18 HWE1314A GB ...
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Страница 44: ... 2 6 System Connection Example 33 HWE1314A GB 2 Restrictions ...
Страница 58: ... 2 7 Example System with an MA Remote Controller 47 47 HWE1314A GB 2 Restrictions ...
Страница 77: ... 66 HWE1314A GB ...
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Страница 125: ... 4 6 BC Controller Circuit Board Components 114 HWE1314A GB 4 6 2 Four Relay Board 4 6 3 Ten Relay Board ...
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Страница 227: ... 6 11 Standard Operation Data Reference Data 216 HWE1314A GB ...
Страница 230: ... 219 HWE1314A GB 7 9 9 Error Code 7113 292 7 9 10 Error Code 7117 293 7 9 11 Error Code 7130 294 ...
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Страница 393: ... 8 16 Troubleshooting Problems Using the LED Status Indicators on the Outdoor Unit 382 HWE1314A GB ...
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