Swegon GLOBAL PX Operation And Maintenance Instructions page 46

8.4 TYPE 4: ALARM INDICATING THE SYSTEM CANNOT FULFIL THE SETPOINT
- Conditions:
- Causes:
• The setpoint cannot be fulfilled because the upper or lower limit of the fan's working zone has been reached
- Effects:
Code
S.11 "Constant Pressure" fan 1 - Measured pressure too high - Minimum air flow reached
S.12 "Constant Pressure" fan 1 - Measured pressure too low - Maximum air flow reached
S.13 "Constant Pressure" fan 3 - Measured pressure too high - Minimum air flow reached
S.14 "Constant Pressure" fan 3 - Measured pressure too low - Maximum air flow reached
S.20 "Demand control" fan 1 - Air flow too low - Reduce the pressure on this fan
S.21 "Demand control" fan 1 - Air flow too high - Minimum limit of the motor reached
S.22 "Demand control" fan 2 - Air flow too low - Reduce the pressure on this fan
S.23 "Demand control" fan 2 - Air flow too high - Minimum limit of the motor reached
S.24 "Demand control" fan 3 - Air flow too low - Reduce the pressure on this fan
S.25 "Demand control" fan 3 - Air flow too high - Minimum limit of the motor reached
S.34 "Constant Air Flow" fan 3 - Air flow too low - Reduce the pressure on this fan
S.35 "Constant Air Flow" fan 3 - Air flow too high - Minimum limit of the motor reached
ALARM OUTPUT
/
8.5 TYPE 5: ALARM INDICATING A DATA FAILURE IN THE CONTROL CIRCUIT
- Conditions:
- Causes:
• Crucial data from the circuit board has been lost
- Effects:
Code
D.10 Programme Error
D.20 Data Error
ALARM OUTPUT
Alarm status
- Solutions:
• Try a TOTAL RESET of the data using the advanced setup. If still not resolved, order a new circuit board.
46
Displayed on HMI TACtouch
Text displayed
TAC control board
AL dPa OUTPUT
/
Auto reset: yes
Displayed on HMI TACtouch
Text displayed
TAC control board
AL dPa OUTPUT
/
Auto reset: no
LED ALARM
ON
LED ALARM
ON
Operation and maintenance instructions
Level
2
2
2
2
2
2
2
2
2
2
2
2
Fans
/
Level
3
3
Fans
Stopped