Nelson NWG410, Manual, Page: 25 / 28

‐ NWG410 ‐
25
10 TROUBLESHOOTING
How to deal with any problems without calling the after ‐ sales service
PROBLEM POSSIBLE CAUSE POSSIBLE REMEDY
LIGHT L1 DOES NOT COME
ON
Mains power failure Check electrical mains connection.
WASHING PROGRAM DOES
NOT START
The glasswasher has not yet
finished filling.
Wait for the 3 program lights to
come on.
POOR WASHING RESULTS
Spray arm washing holes
blocked by dirt or limescale
Remove spray arms and clean them
(9.2 Periodic checks)
Filter fouled
See “Cleaning the filter during the
day”
Too little or unsuitable
detergent or rinse aid
Check type and quantity of
detergent.
No or not enough detergent or
rinse aid being supplied:
detergent or rinse aid not being
taken from the relative
container.
Check that the intake filter is not
fouled. If you are unable to solve the
problem, call the after ‐ sales service.
Plates/glasses badly arranged Arrange plates/glasses correctly.
Low washing temperature
Check temperature shown on the
display, call the after ‐ sales service if
less than 50°C
Inappropriate cycle set
Increase wash cycle duration,
especially if dirt has dried on.
INADEQUATE RINSING
Dynamic pressure of mains
water insufficient
Spray arm nozzles fouled
Limescale in boiler
Check mains water pressure.
Check that water intake filter is not
fouled.
Clean rinsing nozzles.
If you are unable to solve the
problem, call the after ‐ sales service.
STAINS ON GLASSES AND
CUTLERY
Rinse aid unsuitable or not
being delivered correctly.
Water hardness above 12°dF or
large amounts of dissolved salts
Check container of rinse aid and
whether it is suitable for the type of
mains water. If the problem persists,
contact the after ‐ sales service.
WATER IN TANK AFTER
PUMP ‐ OUT
Drain hose incorrectly
positioned or partially
obstructed.
Check that the glasswasher drain
hose and rain are unobstructed and
the drain is not too high up; see
connection diagram.
GLASSES NOT PROPERLY
DRIED
Low rinsing temperature due to
thermostop OFF
Switch Thermostop ON
If the problem persists call the after ‐
sales service