[7-8 Error Code Definitions and Solutions: Codes [6000 - 6999] ]
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HWE12050 GB
7 Troubleshooting Using Error Codes
7-8-11 Error Code [6607] Error Source Address = ME Remote Controller
1. Error code definition
No ACK error
2. Error definition and error detection method
The error is detected when no acknowledgement (ACK signal) is received after the transmission. (eg. When the data is trans-
mitted six times in a row with 30 seconds interval, the error is detected on the transmission side.)
The address/attribute appeared on the display on the remote controller indicates the controller which did not provide
the response (ACK).
3. Cause, check method and remedy
(1) Troubleshooting problems for ME remote controllers
Error display
ME remote controller (RC), MA remote controller (MA) System controller (SC)
Types of refrigerant sys-
tems
Single refrigerant system
Grouped operation of mul-
tiple refrigerant systems
Types of indoor units experiencing
problems
Part of the indoor units
(IC) are experiencing
problems.
All indoor units (IC) in the
same system are experi-
encing problems.
All indoor units (IC) are
experiencing problems.
Troubleshooting problems
for ME remote controllers
Troubleshooting prob-
lems for ME remote con-
trollers
Troubleshooting prob-
lems for ME remote con-
trollers
Troubleshooting prob-
lems for all units (B)
Troubleshooting prob-
lems for all units (B)
& &
Troubleshooting prob-
lems for all units (A)
Troubleshooting prob-
lems for all units (C)
Cause Check method and remedy
(1) Incidental cause 1) Turn off the power source of the outdoor unit for 5
minutes or more, and turn it on again.
(2) Faulty transmission wiring at IC unit side. 2) If not, check the causes (2) - (5).
(3) Faulty wiring of the transmission line for ME remote con-
troller
(4) When the address of ME remote controller is changed in
the middle of the operation
(5) ME remote controller failure
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