Mitsubishi Electric PURY-M200YNW-A1 Service Handbook page 196

[7-4 Error Code Definitions and Solutions: Codes [2000 - 2999] ]
7-4-11 Error Code [2600]
1. Error code definition
Water leakage
2. Cause, check method and remedy
Check that water does not leak from the pipes in such as the humidifier.
7-4-12 Error Code [2601]
1. Error code definition
Water supply cutoff
2. Cause, check method and remedy
(1) The water tank of the humidifier is empty.
(2) The solenoid valve for humidification is OFF.
(3) Disconnected float switch
(4) Poor operation of float switch
(5) Frozen water tank
BS_07_M
Cause Check method and remedy
Check the amount of supply water.
Check for the solenoid valve and for the connection.
Check the connector.
Check the connecting part.
Check for the float switch.
Turn off the power source of the water tank to defrost, and
turn it on again.
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