Alarms
The following lists display all alarms available in the Ecotel Mk4. Some of these alarms may not be available depending
on unit type and selected options.
Code Name Description Action Reset Importance
01 Power Restart Mains power restarted For information
Auto
Non-Critical
02 Airow Fail No airow detected
Switch unit off by
alarm
Critical
Shutdown
03
Phase Failure /AC
Power Fail
Issue with AC power supply Critical
04 Filter Change Dirty lter For information Manual Non-Critical
05 Auxiliary Alarm User alarm Set By User
Auto
Set By User
06 Attend Mode Active Cabin occupied
Switch to attend
mode
Non-Critical
07 Probe Failure U1 Probe reading error on U1
Ignore reading
from probe
Critical
08 Probe Failure U2 Probe reading error on U2
09 Probe Failure U3 Probe reading error on U3
10 Probe Failure U4 Probe reading error on U4
11 Probe Failure U5 Probe reading error on U5
12 Probe Failure U6 Probe reading error on U6
13 Probe Failure U7 Probe reading error on U7
14 Probe Failure U8 Probe reading error on U8
15 Probe Failure U9 Probe reading error on U9
16 Probe Failure U10 Probe reading error on U10
18
High Return Air
Temperature
Return air temperature above
critical threshold
Force cooling
mode
19
Low Return Air
Temperature
Return air temperature below
critical threshold
Force heating
mode
20
High Ambient
Temperature
Ambient temperature above
For information
Non-Critical
21
Low Ambient
Temperature
Ambient temperature below
22 High Return Air Humidity Return air humidity above
23 Low Return Air Humidity Return air humidity below
24
High Panel Temperature
Warning
Panel temperature above
Critical
25
Low Panel Temperature
Warning
Panel temperature below
26
Critical High Panel
Temperature
Panel temperature above
Switch unit off by
alarm
Critical
Shutdown
27
Critical Low Panel
Temperature
Panel temperature below
Critical
Shutdown
28 High Pressure Circuit 1 High condensing pressure circuit 1 Disable circuit 1
Critical29 High Pressure circuit 2 High condensing pressure circuit 2 Disable circuit 2
30 Compressor 1 MCB Trip Compressor 1 MCB is open circuit Disable circuit 1