Lennox DM User Manual

DC-DM-ROOFTOP-IOM-1801-E - 36 -
CODE DESCRIPTION CONDITION EFFECT RESET POSSIBLE CAUSES POSSIBLE REMEDIES
DS
MENU
073
Blower, Inverter, Link Failure.
The EC fans or inverters are
disconnected from the Fieldbus
network.
Delayed: 30s,
Enabled: 30s after power on
Full stop. Automatic
• Fans failed,
• Problem with wiring of
fieldbus.
• Replace fan,
• Check the bus connections
#
074
Exhaust, Inverter, Link
Failure.
The EC fans or inverters are
disconnected from the Fieldbus
network.
Delayed: 30s,
Enabled: 30s after power on
Full stop. Automatic
• Fans failed,
• Problem with wiring of
fieldbus.
• Replace fan,
• Check the bus connections
#
075
Circuit 1, Condenser Fan,
Inverter, Link Failure.
The EC fans or inverters are
disconnected from the Fieldbus
network.
Delayed: 15s,
Enabled: 30s after power on
Stop C1
condenser
fans,
Stop C1
compressors.
Automatic
• Fans failed,
• Problem with wiring of
fieldbus.
• Replace fan,
• Check the bus connections
#
076
Circuit 2, Condenser Fan,
Inverter, Link Failure.
The EC fans or inverters are
disconnected from the Fieldbus
network.
Delayed: 15s,
Enabled: 30s after power on
Stop C2
condenser
fans,
Stop C2
compressors.
Automatic
• Fans failed,
• Problem with wiring of
fieldbus.
• Replace fan,
• Check the bus connections
#
077
Circuit 1, Coompressor,
Inverter, Link Failure.
The inverter is disconnected
from the Fieldbus network.
Delayed: 15s,
Enabled: 30s after power on
Stop C1
compressor.
Automatic
• Driver failed,
• Problem with wiring of
fieldbus.
• Replace driver,
• Check the bus connections
#
078
Expansion Board, BE N°3,
Link Failure.
The expansion board 3 is
disconnected from the Fieldbus
network.
Delayed: 1s,
Enabled: 30s after power on.
Signalling. Automatic
• Expansion board failed,
• Problem with wiring of
fieldbus.
• Replace expansion board,
• Check the bus connections
#
079
Expansion Board, eSlave,
Link Failure.
The eClimatic on internal split
unit is disconnected from the
Fieldbus network.
Delayed: 1s,
Enabled: 30s after power on.
Stop all
compressors
and heaters.
Automatic
• Slave eClimatic failed,
• Problem with wiring of
fieldbus.
• Replace slave eClimatic,
• Check the bus connections
#
080
Blower, Air Flow and Filters,
Sensor.
The value of the sensor
measured is incorrect.
Delayed: 15s. Full stop. Automatic
• Sensor failure,
• Problem with wiring of sensor.
• Check the sensor
• Check the wiring connections.
[2332]
[3342]
081
Room, Air T°, Probe.
The value of the probe
measured is incorrect.
Delayed: 15s.
Only
ventilation.
Automatic
• Probe failure,
• Problem with wiring of probe.
• Check the probe
• Check the wiring connections.
[2213]

Lennox DM Specifications

General

Brand	Lennox
Model	DM
Category	Monitor
Language	English