61
EN 11/2010
AWR-MTD2-XE
MAINTENANCE AND SERVICE
A
ALARM TABLE
The heat pumps can be fitted with a single-phase or three-phase peak limiter to reduce compressor start-up current.
Peak limiter single-phase
The LED on the peak limiter identifies different operating or alarm conditions based on the sequence of flashes:
• 2 flashes every 5 sec.: line voltage present, correct operation
• LED on for 5 sec. and LED off for 5 sec.: peak limiter faulty
• quick flashes for 10 sec.: line voltage out-of-range
PEAK LIMITER ALARM SIGNALS
A
Alarm code
Cause
Solution
A124
Humidity probe N-THC n.1
Check connections
Probe faulty or disconnected
A125
Humidity probe N-THC n.2
Check connections
Probe faulty or disconnected
A126
Humidity probe N-THC n.3
Check connections
Probe faulty or disconnected
A127
Humidity probe N-THC n.4
Check connections
Probe faulty or disconnected
A128
Humidity probe N-THC n.5
Check connections
Probe faulty or disconnected
A129
Humidity probe N-THC n.6
Check connections
Probe faulty or disconnected
Содержание AWR-MTD2-XE
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