Error Code [7105]; Error Code [7106] - Mitsubishi Electric PURY-HP72 Service Handbook

R410a
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[7-9 Error Code Definitions and Solutions: Codes [7000 - 7999] ]
7-9-4

Error Code [7105]

1. Error code definition
Address setting error
2. Error definition and error detection method
Erroneous setting of OC unit address
Erroneous setting of BC controller address
3. Cause, check method and remedy
Error source
Outdoor unit
Erroneous setting of OC unit address
BC controller
The address of outdoor unit is not being set to 51 -
100.
The address of BC controller is not set to 51 - 100.
7-9-5

Error Code [7106]

1. Error code definition
Attribute setting error
2. Error definition and error detection method
Error source
-
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.
HWE13080
Cause
Cause
- 242 -
Check method and remedy
Check that the outdoor unit and BC controller
addresses are set to 00 or a number between
51 and 100.
If the outdoor unit address is out of the valid
range, reset the address with the power to the
outdoor unit turned off.
If the BC controller address is out of the valid
range, reset the address with the power to both
the outdoor unit and BC controller turned off.
Check method and remedy
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.
Operation Method
Interlocked operation
with the indoor unit
Direct operation via the
MA remote controller
SW3-1
OFF
ON
GB

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