Mitsubishi Electric Melsec-Q172DCPU - Page 201

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6 INSPECTION AND MAINTENANCE
(b) Q173DCPU(-S1)/Q172DCPU(-S1) battery replacement procedure
BATTERY
CPU
Q170DBATC
MITSUBISHI
LITHIUM BATTERY
<Battery holder unit(Q170DBATC)>
Lead wire
Battery connector for Q6BA
T
Battery(Q6BAT)
Turn ON the Multiple CPU system
power supply.
Replacing Battery
Install a new battery into the holder in
the correct direction. Connect the
lead connector to the connector
(BATTERY).
END
Disconnect the lead connector from
the battery connector. Remove the
old battery from its holder. (Battery
error occurs. ("BT2" is displayed))
Cancel the battery error by one of the
following methods.
Turn ON the Multiple CPU system
power supply again, or reset.
Turn the Motion error detection flag
(M2039) from ON to OFF.