Trane CCE-Compact Series Installation Operation & Maintenance page 90

Message
Electric battery
Humidifier
Supply filter 1: dirty
Return filter 1: dirty
Controller
AHU module 1 (955)
Supply fan: feedback
Return fan: feedback
Table 33: Alarm messages – AHU controller
Alarm type
NoSensor
OverRange
UnderRange
OpenLoop
ShortedLoop
Other
ConfigErr
MultiFault
Fault, Alarm
Dirty
HighLimit
90/115
Description
Alarm message from the electric heating
battery
Check the power supply (electric protection)
and the security thermostat
Call the service engineer when this message
occurs repeatedly
Alarm message from the humidifier
Read the failure message on the humidifier
Call the service engineer when this message
occurs repeatedly
Supply air filter 1 is dirty; clean / replace
Check, clean or replace the filter
Return air filter 1 is dirty; clean / replace
Check, clean or replace the filter
Hardware error message from the controller
Call the service engineer
Hardware error message from the AHU
expansion module 1
Call the service engineer
No feedback from the supply fan inverter;
check the inverter and read failure message
on the Inverter
No feedback from the return fan inverter;
check the inverter and read failure message
on the Inverter
Description
No sensor is connected / recognized
Measured value is greater than the allowed value; > 10V, > 20mA
Measured value is lower than the allowed value; < 0V, < 4mA
Measuring circuit is open
Measuring circuit is shorted
Not defined error, communication error
Configuration error, measured value completely outside of allowed
values; << 0 V
Multiple faults on inputs with multiple states; e.g. operating mode
Alarm message from a digital input, contact, freeze protection,
feedback
Dirty filter message from a filter with pressure monitoring
Measured value greater than the high limit; e.g. filter pressure too
high
Alarm class
High(A)
High(A)
Warning(C)
Warning(C)
Danger
Danger
Danger
Danger
V07-19.0