Faults, Causes And Remedies; Disposal - Resol PSW Basic Manual

12

Faults, Causes and Remedies

LED Meaning
lights green Pump in operation
blinks quick green
blinks red / green Pump in function but stopped Pump restarts by itself after the fault is
blinks red Pump out of function
LED off No power supply
If the fault cannot be remedied, please consult the specialist technician or the Wilo factory after-sales service.
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Disposal

Damage to the environment and risks to personal health are avoided by the prop-
er disposal and appropriate recycling of this product.
1. Use public or private disposal organisations when disposing of all or part of the
product.
2. For more information on proper disposal, please contact your local council or
waste disposal office or the supplier from whom you obtained the product.
Technical information subject to change without prior notice!
Fig. 1:
Diagnostic
Pump runs according its setting
Pump in standby
disappeared
Pump stopped (blocked)
No voltage on electronics
Fig. 2a:
n/¹/min
max
min
0 5 85 88 93 100
Cause
Normal operation
Normal operation
1. Undervoltage U<160 V or
Overvoltage U>253 V
2. Modul overheating: temperatur inside
motor too high
Pump does not restart by itself due to a
permanent failure
1. Pump is not connected to power supply 1. Check cable connection
2. LED is damaged
3. Electronics are damaged
Fig. 2b:
n/¹/min
max
min
0 7 12 15
PWM %
Remedy
1. Check voltage supply
195 V < U < 253 V
2. Check water and ambient
temperature
Change pump
2. Check if pump is running
3. Cange pump
Fig. 3:
95 100 PWM %
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