Faults; Causes And Remedies - Wilo -Atmos GIGA-N Einbau- Und Betriebsanleitung

en
10.1

Faults

10.2

Causes and remedies

74
Faults, causes and remedies
WARNING
No persons are allowed to be present inside the working area of the
pump!
Persons may suffer (serious) injuries while the pump is in operation! No persons may
therefore be present inside the working area. If persons must enter the working area
of the pump, the pump must be decommissioned and secured against being
switched on again without authorisation.
WARNING
Sharp edges on the impeller!
Sharp edges can form on the impeller. There is danger of limbs being severed! Pro-
tective gloves must be worn 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 ser-
vices for more information.
Possible error types
Error type
1
2
3
4
5
6
7
8
Table 10: Error types
Error type:
1 2 3 4 5 6
X
X
X
X X
X
Description
Delivery rate too low
Motor overloaded
Pump end pressure too high
Bearing temperature too high
Pump housing leakage
Shaft seal leakage
Pump does not run smoothly or is loud
Pump temperature too high
7 8 Cause
Counter pressure too
high
X X Pump and/or piping not
completely filled
X X Inlet pressure too low or
negative suction head
too high
Sealing gap too large
due to wear
Remedy
– Check system for
contaminants
– Reset the duty point
– Vent pump and fill
suction line
– Correct the fluid level
– Minimise resistances
in the suction line
– Clean filter
– Reduce negative suc-
tion head by installing
the pump lower
– Exchange worn neck
ring
WILO SE 2019-04