Exhausto EXact2 VEX240 series, Основные инструкции

Страница: 95 / 108

MXHP
Device
Fault code
Category
Alarm description
Troubleshooting
(See appendix 1: "Simplified diagrams" for the positioning of dampers,
sensors, air directions, etc.)
xx yy z
45 01 3 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.
45 02 3 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.
45 03 3 External DX unit has
an active alarm A general alarm has been received from the external DX unit.
● Check the control/HMI on the external DX unit for information
about the error type and how to remedy it.
45 04 3 Menu settings have not
been confirmed Setup of MXHP in HMI menu 3.1.9 has not been confirmed.
● Review the setup and confirm it to remedy the error.
MXHP control
Device
Fault code
Category
Alarm description
Troubleshooting
(See appendix 1: "Simplified diagrams" for the positioning of dampers,
sensors, air directions, etc.)
xx yy z
46 01 1 Module configured in-
correctly. Check CN6
on circuit board ● Check the jumper in the CN6 connector on the control circuit
board.
There must be a jumper across 4 and 6, across 5 and 6, and
across 7 and 8.
46 06 1 Cooling control current-
ly run locally due to
service Control temporarily controlled by Lodam Multi Tool. Override lasts
for max. 60 minutes.
46 07 1 Cooling control safety
functions overridden lo-
cally due to service Override temporarily controlled by Lodam Multi Tool. Override lasts
for max. 60 minutes.
46 13 4 Cooling control detec-
ted which was not se-
lected in VEX/CX con-
figuration The unit is configured in menu 3 "Accessories".
46 14 4 Cooling control config-
ured incorrectly in con-
nection with selected
VEX/CX configuration ● Check the jumper in the CN6 connector on the control circuit
board.
There must be a jumper across 4 and 6, across 5 and 6, and
across 7 and 8.
46 15 4 No modbus communi-
cation to cooling con-
trol ● Check the modbus cable between the connection board (EX-
act)/main board (EXact2) and the MXHP module.
● Check the modbus cable from the MXHP module to the other
units for faulty wiring.
3005167-2022-02-02
Alarms
95/108