GSI Outdoors PNEG-630 - Manual (Page 112)

Portable Dryer Troubleshooting
111
Series 100 Error Conditions
This indicates that one of the other on screen errors (vapor, plenum, housing temp hi-limit, flame out, no airflow, motor overload or rear discharge) has occured. Mercoid gas pressure safety. User supplied safety. I/O board communication failure I/O board and master have lost communication. No safety circuit voltage. Illegal flame sense. Error 7 is most likely caused by stuck open solenoid. Error 7 will not shut down fan until loss of flame is detected by control. Error 7 may also be caused by a bad ballast resistor (ballast resistor not open between poles). It may als
o
occur if 1 of the 12 volt DC limits is shorted t
o
AC ground, or either temperature senosr is shorted to AC ground.
Flame probe shorted to AC ground. Plenum temperature senosr leads are shorted together OR sensor is shorted. (See figure 4) Plenum temperature sensor is open. One or both leads are off (open circuit) (See figure 4) Grain temperature sensor leads are shorted together OR sensor is shorted. (See Figure 4) Grain temperature sensor open. One or both leads are off (open circuit) (SEE FIGURE 4) User switched from continuous flow to batch while dryer is running.
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Error Codes