19
3.12.
dA ALARM
Indicative of analogue input micro door open.
Possible causes:
1-
Analogue input terminals 09-08, must be closed, check ferrules and connection, possible bad contact.
2-
The micro door cable bridge has been cut. The cable for micro door supplied to be bridged, is connected
to each other.
3-
Wrong micro door contact connection. If it has been connected to a switch micro door, it must be
connected to a normally closed contact, with a closed door.
3.13.
COMPRESSOR ALARM DOES NOT START
1-
If the point under the cold symbol on the display is fixed, it indicates that the digital output of the board is
active by program.
In this case check: the voltage at the output of the board in the case of single-phase equipment (as well as
activation of VSL), the coil A1 - A2 contactor KM for the activation of the compressor in case of three-phase
equipment.
2-
If the fixed point under the cold symbol on the display flashes, it indicates that the digital input of the
safety series (High / Low pressure switch, voltage protector) is open, check causes 1-2 of point 3.10. Micro
digital input door open, check terminals 8-9. Counting anti - short cycle time (parameter AC = 3 minutes).
Low symbol cold
A1-A2 compressor contactor KM
Содержание MONOTOP R290
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