Hupfer SPTW-2/EBF Manual De Instrucciones página 59

Fault Detection and Troubleshooting
Fault and Action Table
Fault
Appliance becomes warm; indicator
light does not come on
Appliance does not become warm;
indicator light is on
Bain-marie well takes too long to heat
up
Heated cupboard takes too long to
heat up
Water runs off despite closed valve
Water does not run off despite open
ball valve
Segments of the sliding lid are difficult
to handle
Cooling is not sufficient
4330025_A1
Possible cause
Defective indicator light
Defective circuit
Thermostat is defective
Too much water in the bain-marie
well
Deposits of scale or impurities in the
bain-marie well
Heated cupboard door is not closed
properly
Damaged lip seal of the frame
Ball valve is defective
Drainage pipe is clogged
Lack of lubrication of stainless steel
tubes and guides
Cold storage plates too warm
Cupboard door is not closed properly
The cold storage plate has become
untight due to mechanical impact.
Product temperature higher than
10°C
Usage of wrong cold storage plates
Cold storage plate does not lie on the
uppermost beads
SPTW-2/EBF | SPTW-3/EBF | SPTW-2/EBF-S | SPTW-3/EBF-S | SPTW-2/EBF-K | SPTW-3/EBF-K
Action
Take the appliance out of operation,
have it checked and repaired by
authorised specialist staff, if neces-
sary
Take the appliance out of operation,
have it checked and repaired by
authorised specialist staff, if neces-
sary
Take the appliance out of operation,
have it checked and repaired by
authorised specialist staff, if neces-
sary
Reduce the amount of water
Take the appliance out of operation,
descale and clean the bain-marie well
after it has been sufficiently cooled
down
Close the heated cupboard door
Replace the seal (see the list of spare
parts)
Ball valve has to be replaced
When the valve is open carefully push
down stuck leftovers with suitable
tools, e.g. flexible bottle brush or wire.
Relubricate stainless steel tubes and
guides
Insert newly frozen cold storage
plates
Close cupboard door
Use new cold storage plates
Store only cold foodstuff
At a lower temperature cold storage
plates containing liquid brine are not
as efficient as the completely frozen
ones
Cold storage plate lies on the upper-
most beads
Food transport trolley
Chapter 6
Page 27