[
IX
Troubleshooting ]
- 286 -
HWE09080
GB
1. Error
Code
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
1. Error
Code
Attribute setting error
2. Error definition and error detection method
7105
Error source
Cause
Check method and remedy
Heat source
unit
BC controller
Erroneous setting of OC unit address
The address of heat source unit is not being set to
51 - 100.
The address of BC controller is not set to 51 - 100.
Check that the heat source unit and BC con-
troller addresses are set to 00 or a number be-
tween 51 and 100.
If the heat source unit address is out of the val-
id range, reset the address with the power to
the heat source unit turned off.
If the BC controller address is out of the valid
range, reset the address with the power to both
the heat source unit and BC controller turned
off.
7106
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
Summary of Contents for PQHY-P120THMU-A
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Page 103: ... 94 III Heat source Unit Components GB HWE09080 ...
Page 105: ... 96 ...
Page 113: ... 104 IV Remote Controller GB HWE09080 ...
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Page 143: ... 134 VI Refrigerant Circuit GB HWE09080 ...
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Page 181: ... 172 VII Control GB HWE09080 ...
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