Grain Systems PNEG-526 - Manual (Page 41)

Tower Dryer Operations & Service TROUBLESHOOTING
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Message What to do
AUXILIARY STUCK CLOSED BLOWER 3 STARTER Check Term 203
AUXILIARY STUCK CLOSED BLOWER 4 STARTER Check Term. 204
AUX. CONTACT FAILED TO CLOSE TRI-STARTER Check Term. 200
AUX. CONTACT FAILED TO CLOSE BLOWER 1 STARTER Check Term. 201
AUX. CONTACT FAILED TO CLOSE BLOWER 2 STARTER Check Term. 202
AUX. CONTACT FAILED TO CLOSE BLOWER 3 STARTER Check Term. 203
AUX. CONTACT FAILED TO CLOSE BLOWER 4 STARTER Check Term. 204
SWITCH OPEN AIR PRESSURE SWITCH 1 Check Term. 205
SWITCH OPEN AIR PRESSURE SWITCH 2 Check Term. 206
SWITCH OPEN AIR PRESSURE SWITCH 3 Check Term. 207
SWITCH OPEN AIR PRESSURE SWITCH 4 Check Term. 306
SWITCH OPEN AIR PRESSURE SWITCH OF Check Term. 115
COMBUSTION BLOWER
LOST FLAME Check BCU and Term. 114
SWITCH STUCK CLOSED MAXON VALVE Check Term. 113
FLAME DETECTED WHILE BURNER IS OFF Check if pilot or Maxon valves stuck open and check
flame rod, BCU and Term. 114
HI. GAS PRESSURE SWITCH OPEN Check Term. 111
LOW GAS PRESSURE SWITCH OPEN MAKE Check gas pressure and Term. 110
SURE MAIN GAS VALVE IS ON
HI. GAS PRESSURE SWITCH OPEN GAS PRESSURE
Check Term. 111
TOO HIGH
LOW GAS PRESSURE SWITCH OPEN GAS PRESSURE
Check Term. 110
TOO LOW
MAXON VALVES NOT TURN ON Reset and try again
PL. TEMPERATUR RTD CIRCUIT OPEN OR SHORTED Check the RTD wiring
GRAIN TEMPERATUR RTD CIRCUIT OPEN OR SHORTED Check the RTD wiring
AUXILIARY STUCK CLOSED OIL PUMP STARTER Check Term. 307
AUXILIARY STUCK CLOSED COMBUSTION Check Term. 308
BLOWER STARTER
AUX. CONTACT FAILED TO CLOSE OIL PUMP STARTER Check Term. 307
AUX. CONTACT FAILED TO CLOSE COMBUSTION Check Term. 308
BLOWER STARTER
PLUG SWITCH OPEN DRY PATH PLUGGED Clear dry path and check Term. 309
PLUG SWITCH OPEN HOPPER PLUGGED Clear hopper and check Term. 310
UNLOAD DRIVE FAULT Check the drive and Term. 208
OVERLOAD TRIPPED DRY CONVEYOR Check Term. 305
PLUG SWITCH OPEN WET PATH PLUGGED Clear wet path and check Term. 311
AUXILIARY STUCK CLOSED DRY CONVEYOR Check Term. 209
AUXILIARY STUCK CLOSED AUX. DRY CONVEYOR Check Term. 210
AUXILIARY STUCK CLOSED DRY LEG Check Term. 211
AUXILIARY STUCK CLOSED TOP DRY CONVEYOR Check Term. 212
UNLOAD MONITOR PROXIMITY SWITCH OPEN Check the unload device and Term. 313
AUXILIARY STUCK CLOSED AUX. WET CONVEYOR Check Term. 215
AUXILIARY STUCK CLOSED WET LEG Check Term. 214
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