Mitsubishi Electric R410A, Service Handbook

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[7-8 Error Code Definitions and Solutions: Codes [7000 - 7999] ]
- 229 - HWE14080 GB
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Er
ror Codes
7-8-4 Error Code [7105]
1. Error code definition
Address setting error
2. Error definition and error detection method
Erroneous setting of OC unit address
3. Cause, check method and remedy
7-8-5 Error Code [7106]
1. Error code definition
Attribute setting error
2. Error definition and error detection method
Error source Cause Check method and remedy
Outdoor unit Erroneous setting of OC unit address
The address of outdoor unit is not being set to 51 -
100. Check that the address of OC unit is set to 51-
100.
Reset the address if it stays out of the range,
while shutting the power source off.
Error source Cause Check method and remedy
- A remote controller for use with indoor
units, such as the MA remote controller, is
connected to the OA processing unit whose
attribute is FU. To operate the OA processing unit directly via a re-
mote controller for use with indoor units, such as the
MA remote controller, set the DIP SW 3-1 on the OA
processing unit to ON.
SW3-1
OFF
ON
Interlocked operation
with the indoor unit
Operation Method
Direct operation via the
MA remote controller