Exhausto EXact2 VEX240 series, Basic Instructions

Page: 87 / 108

MCCW
Unit
Fault code
Category
Alarm description
Troubleshooting
(See appendix 1: "Simplified diagrams" for the location of dampers, sen-
sors, air directions, etc.)
xx yy z
30 01 4 Supply air duct temper-
ature sensor discon-
nected ● Check the sensor's resistance complies with the actual tem-
perature. See temperature resistance table appendix 2.
● If the sensor resistance has significantly changed in value, it
should be replaced.
30 02 4 Supply air duct temper-
ature sensor short-
circuited ● Check the sensor's resistance complies with the actual tem-
perature. See temperature resistance table appendix 2.
● If the sensor resistance has significantly changed in value, it
should be replaced.
30 05 4 Supply water pipe tem-
perature sensor on wa-
ter cooling coil discon-
nected ● Check the sensor's resistance complies with the actual tem-
perature. See temperature resistance table appendix 2.
● If the sensor resistance has significantly changed in value, it
should be replaced.
30 06 4 Supply water pipe tem-
perature sensor on wa-
ter cooling coil short-
circuited ● Check the sensor's resistance complies with the actual tem-
perature. See temperature resistance table appendix 2.
● If the sensor resistance has significantly changed in value, it
should be replaced.
3005167-2022-02-02
Alarms
87/108