Swegon GLOBAL PX Operation And Maintenance Instructions page 45

8.7 TYPE 7: MAINTENANCE ALARM
- Conditions:
• the running hours feature must be enabled in advanced setup
- Causes:
• SERVICE ALARM: the fan operating time (in hours) has exceeded the configurable threshold
• STOP FAN: the fan operating time (in hours) has exceeded the configurable threshold. This alarm stops the fans
- Effects:
M.10 Maintenance 3 months
M.11 Maintenance 6 months
M.21 Operating hours
M.22 Operating hours - AHU off
AL1 relay
Alarm status
* unless the status has been changed in advanced setup
8.8 TYPE 8: ALARM INDICATING A COMMUNICATION BREAKDOWN
BETWEEN THE TAC5 CIRCUIT AND THE HMI
- Conditions:
• User interface is connected
- Causes:
• Communications failure between the TAC5 circuit and the HMI
- Effects:
Text displayed
CB COM ERROR
AL1 relay
Alarm status
Operation and maintenance instructions – v2.8.8 & 2.7.3
Displayed on HMI
Text displayed
TAC5 control boards
O.R.1 LED ALARM
/ ON
Reset via "fan run time" (HMI) or "alarm menu" (App)
Displayed on HMI
TAC5 control board
Auto reset: yes
LED AF
/
LED ALARM
Red
O.R.1 LED ALARM
/ /
LED ALARM LED Pa
RED /
Fans
Stopped if SERVICE STOP FAN
LED Pa
/
LED AF Fans
/ /
*
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