Wilo Stratos PICO-Z Serie Instrucciones De Instalación Y Funcionamiento página 39

LED Faults
E04 Undervoltage
E05 Overvoltage
E10 Blocking
E11 Dry running
warning
E21 Overload
E23 Short-circuit
E25 Contacting/
winding
E30 Module over-
temperature
E36 Module defective
Installation and operating instructions Wilo-Stratos PICO-Z
Fault signals
Causes
Power supply too low on
mains side
Power supply too high on
mains side
Rotor blocked
Air in the pump
Sluggish motor
Motor current too high
Winding defective
Module interior too warm
Electronics defective
If the fault cannot be remedied, contact a qualified spe-
cialist technician or Wilo customer service.
Remedy
Check mains
voltage
Check mains
voltage
Request customer
service
Check volume
flow/water pres-
sure
Request customer
service
Request customer
service
Request customer
service
Check conditions
of use
Request customer
service
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