SAF PRESTOPAC 160, Руководство пользователя

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E - RICERCA GUASTI
FAULT-FINDING PROCEDURE
CAUTION : if the mains voltage is too low, a safety mechanism prevents the set from being used.
The safety mechanism will be released automatically when the main voltage has returned to normal (220V -
10 %).
Normal cycle Problem Probable cause Checks
Power on
Power on indicator lit
Indicator off Indicator faulty
Mains supply
ON/OFF switch
If the fan is rotating,
indicator faulty
Check the mains supply
and the mains lead
Check
Fan rotates Fan does not rotate Fan faulty
Fuse defective Check
Check
Green
2
thermal safety
indicator lit
Green indicator off Indicator faulty
Thermal safety circuit
broken
Aux. transformer TA1
Control board
Check
Unplug the set and use
an ohmmeter to check
that R
≈
0 between 3
and 4 on B2 on the
control board
Measure :
18V ~ between 2 & 1 on
B3
18V ~ between 2 & 3 on
B3
Measure
+ 15V between 10 & 11
on B5
— 15V between 9 & 10
on B5
No load on set Voltage nul Poor contact
Aux. transformer TA1
Check connections on
the different connectors
Measure :
18V ~ between 2 & 1 on
B3
18V ~ between 2 & 3 on
B3
Standby voltage : Control board Measure :
2
This indicator light shows that the set is ready to be used. It will go off if the set heats up to too high a
temperature. The set can only be used again once the temperature has returned to normal (when the
indicator light will come on again).
E
-25
PRESTOPAC
160