Specification MCAC-TSM-2008-02
52 Installation
11. Troubleshooting
Displaying contents Malfunction or protection
STY Remote switch in Standby position (automatic reset)
Er01 High pressure protection ( manual reset )
Er05 Low pressure protection
Er41 3-phase sequence, current and over-heat condenser temperature protection (manual reset)
Er30 Frost prevention alarm (manual reset)
Er61 Water outlet sensor T02 malfunction (automatic reset)
Er62 Coil sensor T03 malfunction (automatic reset)
Er60 Water return sensor T01 malfunction (automatic reset)
Er20 Water flow protection
Er47 Remote keyboard communication error
Er45/Er46 Error clock faulty / Error set clock
Er90 Alarm history records exceeded 99 times (manual reset)
1. STY
Values display indication STY
Refer to the instruction manual: Remote switch in Standby position
You should set a running mode: cooling or heating, then it will disappear
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