EVERSKY
™
MS-CDF-019
–
Manufacturing Nr: 22
0001→
Version B
Update: 2022/06/14
60/70
the alarm must be acknowledged.
(see XVII GENERAL WIRING DIAGRAM).
50
Extract air
temperature
sensor error
A
5s
Stop
The AI4 analogue input has detected an implausible
signal (open circuit or short circuit) for more than 5s.
The machine is stopped. To restart, the signal at the
AI4 analog input must return to a normal range and
the alarm must be acknowledged.
The SRG supply air temperature sensor and/or its cable
and/or its connection to the controller are defective (open
circuit or short circuit)
The SRG supply air temperature sensor is incorrectly wired
(see XVII GENERAL WIRING DIAGRAM).
59
CO2 sensor
error
A
5s
No stop
The UAI4 universal analogue input has detected an
implausible signal (open circuit or short circuit) for
more than 5s.
The CO2 sensor is defective (shorted or open circuit).
CO2 sensor is incorrectly wired (see XVII GENERAL WIRING
DIAGRAM).
85
Output
in
manual mode
A
5s
Stop
At least one DO output has been switched to manual
mode for more than 5s.
The machine is stopped when the alarm is present.
Outputs that have been switched to manual mode
must be switched back to automatic mode and the
alarm manually acknowledged in order to restart the
machine.
All functions must be in "Auto" mode in the Manual/Auto
menu.
86
Time for
service
C
5s
No stop
The maintenance visit alarm counter has exceeded the
programmed time (12 months).
See XX.9 Acknowledgment of the filter alarm.
87
Manual Y4
extra sequence
C
5s
No stop
The DO6 output that controls the fresh air preheat coil
has been switched to manual mode for more than 5s.
The machine is not stopped when the alarm is present,
the alarm disappears automatically when the output is
switched back to automatic mode.
All functions must be in "Auto" mode in the Manual/Auto
menu.
