Commissioning; Maintenance; Faults, Causes, Remedies - Wilo Yonos MAXO Instrucciones De Instalación Y Funcionamiento

8

Commissioning

CAUTION
Risk of damage to the Wilo-Connect module Yonos MAXO
Incorrect installation and electrical connection can pose a risk of damage to the module.
Follow the installation and operating instructions for the pump series Yonos MAXO (plus),
Yonos MAXO-D or Yonos MAXO-Z (plus) during commissioning!
Activate the mains voltage after installing the Yonos MAXO Connect module.
9

Maintenance

The modules described in these instructions are maintenance-free.
10

Faults, causes, remedies

Have repairs done by qualified personnel only!
DANGER
Risk of fatal electrical shock!
Ensure there are no risks arising from electrical current!
• The pump must be voltage-free and secured against unauthorised reactivation prior to
any repair work.
• Damage to the mains connection cable may only be repaired by a qualified electrician.
Faults
Run signal light (green)
off
Fault signal light (red)
lights up
Fault signal light (red)
flashing
Collective run signal
contact open
Installation and operating instructions • Wilo-Connect Modul Yonos MAXO • Ed.03/2024-02
Cause
No voltage.
A fault has occurred: Pump not running/pump faulty. Contact customer ser-
• Dual-pump function not ensured/faulty.
• A fault has occurred: Standby pump not running/
faulty.
• No mains voltage.
• Control input "Ext. Off" open.
• A fault has occurred.
Only double pumps:
–
SBM master pump: Neither the main pump nor
the standby pump is in operation.
–
SBM standby pump: Standby pump is not in
operation.
en
Remedy
Check mains voltage.
vice.
• Check the dual-pump
management con-
necting cable.
• Check the mains
voltage of the standby
pump.
• Check mains voltage.
• Check "Ext. Off"
status.
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