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Test function
Different test functions can be used depending on the combination of keys pressed. Such tests run for the
duration of 4 minutes.
"SET+▲" tests Compressor and Ambient Blower relays.
"SET+▼" tests Alarms and Heater relays
Alarm Relay Operation
Both normally closed (NC) and normally open (NO) alarm contacts are provided. Under normal conditions, the
NC contact is closed and the NO contact is open. When an alarm condition is present, the NC contact will open
and the NO contact will close.
State
1 System powered OFF
2 System powered ON
- NO ALARM
- Door Contact Closed
3 System powered ON
- Door Contact Open
4 System powered ON
- ALARM STATE
Notes:
State 2: Additional icons (1,3,4, Reverse, Direct, Test) depending on operation.
State 3: The display shows "OFF" alternating with the standard display.
State 4: The display shows "EXX" alternating with the standard display – at the same time, the alarm icon
flashes.
Typical alarm codes:
Error Code Description
E01
Probe B1 fault
E02
Probe B2 fault
E04
High temperature alarm
E05
Low temperature alarm
Version Nr. 1-5 - 03.09.2019
Alarm relay
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