EC-30C | 1.00.02 +49 2102 935 888 www.mc-techgroup.com 29
Components
Warning
type
Symbol Code Description Comments
General device
Service
30
Service due in
20 days
Service-remaining
time ≤ 20 days
31
Service
expired
Service-remaining
time ≤ 0 days
Device
temperature
32
Device
temperature
too high
T
device
≥ +70°C (158°F)
33
Device
temperature to
low
T
device
≤ +5 °C (41 °F)
Gas flow
alarm
34 No gas flow
Heat exchanger
maybe frozen or gas
line defect
Back-up
battery
35
Back-up
battery empty
≤ 2.3 V
Decoupling
capacitor or
rectifier
36
Power supply
needs to be
checked
Decoupling capaci-
tor deteriorated or
rectifier defect
7.7.3 Alarm symbols
In the alarm and warning history there are two different alarm symbols:
Alarm symbol Description
Alarm
Canceled alarm (alarm symbol with check
mark)
The bell stands for an alarm. A canceled alarm is symbolized by a bell with check mark.
When an alarm has been canceled, the alarm and warning history will show a line display-
ing a bell with a check mark including the date and hour of cancellation.
Note
If you want to contact our service department to report a warning or
alarm message, please keep ready the following information:
• Is the message an ‚Alarm‘ or a ‚Warning‘ message?
• Which error code is being displayed on the screen?
The following table shows the symbols that can occur in case of an alarm, and explains
their meaning.
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