Table Of Alarms - CIAT AirControl CTA Manuel De Régulation

6 TABLE OF ALARMS

Fault
Room or return air temperature
too high
Room or return air temperature
too low
Supply air temperature
too high
Supply air temperature
too low
Supply air
flow rate
Filter 1 blocked
Filter 1 dirty
Return air flow rate
Filter 2 blocked
Filter 2 dirty
Filter 3 blocked
Filter 3 dirty
Room
or return air humidity
too high
Room
or return air humidity
too low
Humidifier
Heat pump module
Supply air motor
Frost protection
Damper faulty
Electric heater
overheat
* All possible options are covered by this table
Sources
Ambient or return air
temperature sensor
B4
Supply air temperature sensor
B5
Supply air flow rate pressure
sensor
0-1000 Pa
B3
Return air flow rate pressure
sensor
0-1000 Pa
B6
Additional filter 3 fouling level
pressure sensor
0-1000 Pa
B7
Return or ambient air humidity
sensor
B8
Water
Cylinder
ID14
Heat pump module control
ID4
Supply air fan power and
control circuit
ID3
Frost protection thermostat
ID4
Damper limit switch
ID5
Electric heater safety
thermostat
ID7
EN - 63
Causes
- Malfunction
- Sensor disconnected
- Room overheated
- Malfunction
- Sensor short-circuit
- Malfunction
- Sensor disconnected
- Malfunction
- Sensor short-circuit
- Belt faulty
- Filter not installed
- Malfunction
- Sensor disconnected
- Fan
- Filter too dirty
- Filter fouled
- Belt faulty
- Filter not installed
- Malfunction
- Sensor disconnected
- Fan
- Filter too dirty
- Filter fouled
- Filter too dirty
- Filter fouled
- Malfunction
- Sensor disconnected
- Excessively high humidity
- Malfunction
- Sensor short-circuit
- Humidifier faulty
- Room load too low
- Cylinder dirty
- Water insufficiently conductive
- Heat pump module fault
- Embedded thermistor faulty
- Circuit breaker (QV1)
- Current too high
- Contactor coil (KV1)
- Thermostat faulty
- Closing problem
- Thermostat faulty
Solutions
- Replace sensor
- Reconnect sensor
- Revise room loads
- Replace sensor
- Check sensor
- Replace sensor
- Reconnect sensor
- Replace sensor
- Check sensor
- Change belt
- Install filter
- Replace sensor
- Reconnect sensor
- See fan fault
- Replace filter
- Clean or replace filter
- Change belt
- Install filter
- Replace sensor
- Reconnect sensor
- See fan fault
- Replace filter
- Clean or replace filter
- Replace filter
- Clean or replace filter
- Replace sensor
- Reconnect sensor
- Revise room loads
- Replace sensor
- Reconnect sensor
- Check humidifier
- Revise room loads
- Change cylinder
- Add a handful of salt
- See causes
- See causes
- Reset or replace
- Monitor starting current
- Replace coil or contactor
- See causes
- See causes
- See causes
EN