Kaisai KVX-150 RHQ, Owner'S Manual

Page: 115 / 180

115
English
AUTO
ALARMS
Below is a table for troubleshooting the faults that
may occur during machine operation.
Type of
Signal
Description of Fault Notes/Solution
no. of flashes
LED DL3
General Alarm. Present in case of any fault
/
FAN voltage/speed limits ex-
ceeded.
It is recommended to enter the Read Menu to check the FAN
operating parameters and identify which FAN is not working
4
Faulty temperature probe
The faulty probe code appears next to the "thermometer"
icon. In the
Read
Menu the faulty sensor no longer provides
any reading.
2
Faulty humidity/CO2 probe
It is recommended to enter the
Read
Menu to check the
probe data and identify which probe is faulty.
6
Filter replacement Replace the filters of the unit.
1
Electric defrost resistance fault
Check the resistance reset thermostat;
Check the electrical connections;
It is recommended to enter the Read Menu to check the
probe data and identify which probe is faulty
3
FROST
Antifreeze Alarm
SEE ANTIFREEZE PROTECTIVE CIRCUIT CHART
The FROST alarm resets automatically. In order to report
the failure, the FROST string continues to flash in the hours
field until technical support is provided.
/
KVX RHQ Controller Error
Check the electrical connections between the controller
and the power board of the machine.
7
Max. FAN Rpm overcoming
It is recommended to enter the
Read
Menu to check
the FAN operating parameters and identify which FAN
is not working
To check the unit filters.
4
Problem with the differential
pressure transmitter module
/
5
Timekeeper Alarm /
/