American Dryer Corp. ADG-385 - Manual (Page 48)

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D. No Display Condition
1. Check power supply. (dryer voltage 110v, 208v, 220v ...)
2. Check for voltage across (L1) and (L2) of motor relay.
(110v, 208v, 220v ...) For 3 phase machines, check across
(L1) and (L3). If no voltage is evident, problem is bad
wire(s) or termination from circuit breaker panel to top of
motor contactor.
3. Check the .5 amp fuse(s) in the control box. If dryer is
rated at 110v, 115v, or 120v there will only be one fuse.
Voltages of 208v, 220v will have two (2) fuses. If blown,
replace with P/N: 136057.
4. Check voltage across TB #8 and TB #6 (110v, 208v, 220v).
If no voltage is evident, problem is bad wire or termination
from TB #8 and TB #6 to the L1 and L2 connection on the
motor relay.