More than likely the internal fuse will have blown.
Steps:
Remove a side of the housing (about seven screws) (even one under the knob decal)
locate the circuit board in upper front area.
locate fuse on circuit board behind water seal
remove and replace fuse and reseal
refit circuit board
refit housing and decal
cross your fingers, say a prayer, ready for testing now your there...good luck !
What size fuse is it
The fuse is a glass cylinder tube type with metal end caps. The replacement fuse is very common and can be purchased from **** Smith, Tandy, Jaykar (where I bought mine). The specification of the fuse is stamped on the metal end caps. From memory it was a very fine wire fillament (0.2 of a amp or something like that....dont quote me on that value...look for the marking or show it to the store person). It cost something like twenty cents so I bought a few for spares (hang the expense).
fuse keeps blowing our 2 year old system, just had the power unit replaced and still keeps blowing fuses, had electrician out checked all wiring and voltage, no problems, dealer has no idea. Have not found an answer as to why it keeps flowing a fuse every couple of weeks.
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