36
Cooling unit pump not running
Cause: No supply voltage
Remedy: Check supply voltage
Cause: Faulty cooling unit pump
Remedy: Repair/replace pump
Cooling power too low
Cause: Faulty ventilator
Remedy: Change ventilator
Cause: Faulty cooling unit pump
Remedy: Change pump
Cause: Coolant level too low
Remedy: Top up coolant
Cause: Narrowing/foreign bodies in water circulation
Remedy: Rectify narrowing
Noisy cooling unit pump
Cause: Coolant level too low
Remedy: Top up coolant
Cause: Faulty cooling unit pump
Remedy: Repair/replace pump
Variosynergic
3400/4000/5000
power source
(continued)