15
Faults, causes and remedies
Fault indications
Key
Installation and operating instructions • Wilo-Stratos GIGA, Wilo-Stratos GIGA-D, Wilo-Stratos GIGA B • Ed.01/2024-02
DANGER
Risk of fatal injury due to electrical current!
Improper conduct when carrying out electrical work can lead to death
due to electric shock!
• Electrical work must be carried out by a qualified electrician!
• Observe local regulations!
WARNING
Risk of injury from rotating components!
No persons are allowed to be present in the working area of the pump.
There is a risk of injury!
• Demarcate and cordon off the working area.
• If there are no persons in the working area, activate the pump.
• If persons enter the working area, switch off the pump immediately.
WARNING
Sharp edges on the impeller!
Sharp edges can form on the impeller. There is a risk of limbs being
severed!
• Wear safety gloves to protect against cuts!
Further steps for troubleshooting
If the points listed here do not rectify the fault, contact customer service. Customer service
can assist in the following ways:
•
Telephone or written support.
•
On-site support.
•
Inspection and repair at the factory.
Costs may be incurred if you request customer services! Please contact customer services
for more information.
For faults, causes and remedies, see the "Fault/warning message" flow diagram in the "Ac-
knowledging errors" chapter and the following tables. The first column of the table lists the
code numbers displayed in the event of a fault.
NOTICE
Some faults resolve themselves automatically if the cause of the fault is no
longer present.
The following types of errors can occur with differing priorities (1 = lowest priority; 6 =
highest priority):
Error type
Description
A
A fault is present; the pump stops immediately. The fault
must be acknowledged at the pump.
B
A fault is present; the pump stops immediately. The
counter is increased and a timer counts down. After the
6th error event, the error becomes a final fault. The fault
must be acknowledged at the pump.
C
A fault is present; the pump stops immediately. If the fault
persists for more than 5 minutes, the counter is increased.
After the 6th error event, the error becomes a final fault.
The fault must be acknowledged at the pump. Otherwise
the pump restarts automatically.
D
The same as fault type A, but with lower priority.
en
Priority
6
5
4
3
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