Lennox EMEA Euromon 100 Series, Installation, User And Maintenance Manual

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Rest of alarm probes; perform the same analysis to determine cause.
3.12. dA ALARM
Indicative of analogue input micro door open.
Possible causes:
1 Analogue input terminals 19-13, must be closed, check ferrules and connection, possible bad contact.
2The micro door cable bridge has been cut. The cable for micro door supplied to be bridged, ie connected to
each other.
3Wrong 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 voltage at the output of the plate, coil A1 - A2 contactor KM for the activation of the
compressor.
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 19-13. Setting anti - short cycle time (parameter AC = 3 minutes).
Low symbol cold A1-A2 compressor contactor KM
19