Faults, Causes And Remedies - Wilo VeroLine-IP-E Série Notice De Montage Et De Mise En Service

English
10.2.3 Replacing the electronic module
11

Faults, causes and remedies

Fault displays
100
• Before reinstalling the electronic module, pull the new O-ring
between the electronic module and the motor (Fig. 6, Item 1) onto the
contacting chamber.
• Press the electronic module into the contacting of the new motor and
fasten with screws (Fig. 6, Item 7.4) and the tooth lock washers
(Fig. 6, Item 7.5).
NOTE:
The electronic module has to be pressed on as far as possible when it
is installed.
NOTE:
For the thread type, observe the specified screw tightening torque
(see list "Tab. 9: Screw tightening torques" on page 99).
NOTE:
Increased bearing noises and unusual vibrations indicate bearing
wear. Then the bearing has to be changed by Wilo customer service.
DANGER! Risk of fatal injury!
There is a risk of fatal injury from electric shock when working on
electrical equipment.
• Check for absence of voltage and cover or cordon off adjacent live
parts.
• Carry out steps 1 to 5 to dismantle the electronic module in accord-
ance with chapter 10.2 "Maintenance work" on page 98.
• Remove the screws (Fig. 6, Item 7.4) and tooth lock washers (Fig, 6,
Item 7.5) and pull the electronic module off the motor.
• Before reinstalling the electronic module, pull the new O-ring
between the electronic module and the motor (Fig. 6, Item 1) onto the
contacting chamber.
• Press the electronic module into the contacting of the new motor and
fasten with screws (Fig. 6, Item 7.4) and the tooth lock washers
(Fig. 6, Item 7.5).
• Proceed further (restore pump to operational standby) as described in
chapter 10.2 "Maintenance work" on page 98 in reverse order
(steps 5 to 1).
NOTE:
The electronic module has to be pressed on as far as possible when it
is installed.
NOTE:
Observe the measures for commissioning (chapter 9 "Commission-
ing" on page 93).
Have faults remedied by qualified personnel only! Observe the
safety instructions in chapter 10 "Maintenance" on page 97.
• If the malfunction cannot be rectified, consult a specialist technician
or the nearest customer service centre or representative office.
For faults, their causes and remedies, see the "Fault/warning mes-
sage" flow diagram in chapter 11.3 "Acknowledge fault" on page 104
and the following tables. The first column of the table lists the code
numbers displayed in the event of a fault.
NOTE:
If the cause of the fault no longer exists, some faults resolve them-
selves automatically.
WILO SE 11/2017