TROUBLESHOOTING GUIDE FOR A3 TYPE DW’S
Machine indicates
NTC or heater
fault at the end of
the functional test
Any problems with the
connections of the NTC
Yes
Establish proper
connection
between main
board and NTC
Check whether the
NTC works
properly
No
Any fault with the
connections of the
heater
No
Yes
Check the main
board and
connections
Establish proper
connection
between main
board and heater
Check whether
there exists any
broken wiring
Check the heater
connections and
operation
Содержание DFN2520S
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