Tuttnauer 2540 EHS, Руководство техника

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Corrections
1.1
Replace damaged cord or repair faulty connections.
1.2
Reset the circuit breaker and observe if it trips again, if so check for a short circuit.
1.3

Replace the On/Off Rocker switch.

Have the facilities electrical circuit upgraded.
Possible cause check-up and tests
1.1
Check that the main power is turned on, the power cord and the connections to the circuit breaker.
1.2
Check the circuit breaker. If it is tripped, there is possibly a short-circuit.
1.3
Check the AC voltages.
—
The input voltage comes from the circuit breaker to the On/Off switch then to the AC-T1 board – See the Electrical Wiring Diagram. The voltage must be 208 VAC.
—
With a multimeter check from pin 3 at the AC-INPUT connector (JP3), on the AC-T1 board, to pins 1 and 2.
—
Turn on the power. The reading must be the same as the voltage coming from the wall outlet for the machine. If not:

The On/Off Rocker switch contacts may be loose.

The electrical circuit supplying the unit may not be able to handle the load.
10. TROUBLESHOOTING
10.3
Pre-process malfunction
If the malfunction is possibly caused by the el
ectronic system, the following should be
performed prior to any corrective action:
Clean the grid
under the fan with compressed air. This should be
done from inside so debris will be blown outwards.
Clean the entire electronic box with compressed air.
(dirt can be conductive and possibly causing a short in the circ
uit)
Symptom
1.
No response when the system is turned on