Mitsubishi Electric City Multi PURY-EM200YNW-A1, Service Handbook

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[7-9 Error Code Definitions and Solutions: Codes [7000 - 7999] ]
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- chapter 7 BS_07_M
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7-9-2 Error Code [7101]
1. Error code definition
Capacity code setting error
2. Error definition and error detection method
Connection of incompatible (wrong capacity code) indoor unit or outdoor unit
3. Error source, cause, check method and remedy
After troubleshooting the error using the check methods and remedies shown below, turn the power back on.
Error source Cause Check method and remedy
Indoor unit (1) The model name (capacity code) set by the
switch (SW2) is wrong.
1) Check the model name (capacity code) of the in-
door unit which has the error source address set
by the switch (SW2 on indoor unit board).
When the model name set by the switch is differ-
ent from that of the unit connected, turn off the
power source of the outdoor and the indoor units,
and change the setting of the capacity code.
*The capacity of the indoor unit can be con-
firmed by the self-diagnosis function (SW1
operation) of the outdoor unit.
Outdoor unit (2) The model selection switches (SW5-3 - 5-8)
on the outdoor unit are set incorrectly.
Check the setting for the model selection switch
on the outdoor unit (Dipswitches SW5-3 - 5-8 on
the outdoor unit control board).
HBC (3) The model name (capacity code) setting is
wrong.
Correct combinations of outdoor units and
HBCs.
Check the model selection switch of the outdoor
unit (Dip switches SW5-3 through 5-8) on the out-
door unit control board.
M200 model
M250 model
M300 model
M350 model
M400 model
M450 model
M500 model
EM200 model
EM250 model
EM300 model
EM350 model
EM400 model
EM450 model
EM500 model
Model
SW5
OFF ON OFF OFF
ON ON
ON
OFF OFF
ON ON OFF OFF
OFF OFF
OFF
OFF
OFF
OFF OFF
ON OFF
ON OFF
3 4 5 6
ON
ON
ON
ON ON
ON ON
ON ON
OFF
OFF ON ON OFF ON OFF
ON ON ON OFF ON OFF
OFF OFF OFF ON ON OFF
ON OFF OFF ON ON OFF
OFF ON ON OFF ON ON
ON ON ON OFF ON ON
OFF OFF OFF ON ON ON
ON OFF OFF ON ON ON
OFF
OFF
7 8
Outdoor unit HBC
(E)M200 model
(E)M250 model
(E)M300 model
(E)M350 model
WM350 model
WM500 model
(E)M400 model
(E)M450 model
(E)M500 model
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