Fronius VarioSynergic 3400 Instructions De Service page 106

Variosynergic
Cooling unit pump not running
3400/4000/5000
power source Cause:
Remedy:
(continued)
Cause:
Remedy:
Cooling power too low
Cause:
Remedy:
Cause:
Remedy:
Cause:
Remedy:
Cause:
Remedy:
Noisy cooling unit pump
Cause:
Remedy:
Cause:
Remedy:
No supply voltage
Check supply voltage
Faulty cooling unit pump
Repair/replace pump
Faulty ventilator
Change ventilator
Faulty cooling unit pump
Change pump
Coolant level too low
Top up coolant
Narrowing/foreign bodies in water circulation
Rectify narrowing
Coolant level too low
Top up coolant
Faulty cooling unit pump
Repair/replace pump
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