TM 5-3610-285-14
Table 5-5. ORGANIZATIONAL TROUBLESHOOTING - Cont
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
4.
DRYER HEATER DOES NOT WARM DRYING AIR. ROLLERS ROTATE - Cont
WARNING
Electrical shock hazard. You must stand on rubber matting before performing this procedure.
Step 4. Turn power on. Check voltage between terminal block connector 4-34 and ground. MAIN DRIVE switch
must be on.
(a)
If 12 V dc is present, proceed to step 5.
(b)
If voltage is not present, replace power supply circuit board 600 (paragraph 5-16. 4).
Step 5. Check voltage between terminal block connector 3-24 and ground.
(a)
If voltage is not present, refer to higher level of maintenance.
(b)
If 12 V dc is present, replace dryer temperature control circuit board 800 (paragraph 5-16.9).
Step 6. Check voltage between wire 29 on relay U1 and ground. (Refer to F04 Processor Wiring Diagram.)
(a)
If 12 V dc is present, replace standby control circuit board 500 (paragraph 5-16.4).
(b)
If voltage is not present, replace U1 (paragraph 5-16. 26).
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