SECTION 9
9-21
01/01/2014
E1.
WITH FLAME SYSTEM "ON", BURNER PROVEN LIGHTS (DS20,
DS21) "ON", CHECK TERMINAL #14(3) (120 VOLTS)
LOCATED ON THE FLAME RELAY (K1) PLUG-IN BASE. IF NO
VOLTAGE IS PRESENT THE FLAME RELAY (K1) IS
DEFECTIVE, REPLACE.
E2.
WITH FLAME SYSTEM "ON", BURNER PROVEN LIGHTS (DS20,
DS21, DS22) "ON", CHECK TERMINAL #14(3) (120 VOLTS)
LOCATED ON THE FLAME RELAY (K2) PLUG-IN BASE. IF NO
VOLTAGE IS PRESENT THE FLAME RELAY (K2) IS
DEFECTIVE, REPLACE.
E3.
WITH FLAME SYSTEM "ON", BURNER PROVEN LIGHTS (DS20,
DS21, DS22, DS23) "ON", CHECK TERMINAL #14(3) (120
VOLTS) LOCATED ON THE FLAME RELAY (K3) PLUG-IN
BASE. IF NO VOLTAGE IS PRESENT THE FLAME RELAY (K3)
IS DEFECTIVE, REPLACE.
E4. WITH FLAME SYSTEM "ON", BURNER PROVEN LIGHT(S)
(DS20, DS21, DS22, DS23) "ON". VISUALLY INSPECT THE
CONTACTS IN THE FLAME RELAY (K6) TO SEE IF THEY ARE
CLOSING. IF NOT, THE FLAME RELAY (K6) IS DEFECTIVE,
REPLACE.
6. SEQUENCE: UNLOAD SWITCH (SW5) TO "ON", ENERGIZING UNLOAD CIRCUIT.
ACTION:
UNLOAD SWITCH (SW5) "ON", GRAIN UNLOADING LIGHT (DS19)
"ON", STARTS UNLOAD AUGER AND DRY AUXILIARY UNLOADING.
UNLOADS DRY GRAIN FROM THE DRYER AT A PRE-SELECTED RATE.
SYMPTOMS:
A.
NO GRAIN UNLOADING LIGHT (DS19).
B.
GRAIN UNLOADING LIGHT (DS19) "ON" BUT UNLOADING
SYSTEM NOT RUNNING.
C.
DRYER SHUTS DOWN IMMEDIATELY OR DURING UNLOADING
OPERATION.
POSSIBLE
CAUSES: A.
DEFECTIVE GRAIN UNLOADING SWITCH (SW5).
DEFECTIVE GRAIN UNLOADING LIGHT (DS19).
B1. DEFECTIVE AUXILIARY UNLOAD STARTER COIL (S8).
B2.
DEFECTIVE AUXILIARY UNLOAD STARTER INTERLOCK
(SW20).
B3. DEFECTIVE UNLOAD AUGER STARTER COIL (S7).
C1. OVERLOAD(S) ON UNLOAD AUGER AND/OR AUXILIARY UNLOAD
STARTER(S) (S7, S8) TRIPPED.
C2. OPEN DISCHARGE OVERFLOW SWITCH (OPTIONAL ON SOME
MODELS).
CORRECTIVE
ACTION: A.
IF VOLTAGE IS PRESENT ON TERMINAL #39 (120 VOLTS),
TURN UNLOAD SWITCH (SW5) TO "ON". THEN CHECK FOR
Summary of Contents for DPX12T
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Page 30: ...Page 6 05 06 13 Alarm Limit Indication Error Messages ...
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Page 55: ...Page 17 Moisture Control All Models 6 21 2012 ...
Page 56: ...Page 18 Moisture Control All Models 6 21 2012 Alarm Limit Indication Error Messages ...
Page 57: ...Page 19 Moisture Control All Models 6 21 2012 ...
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Page 66: ...SECTION 7 7 1 1 13 2010 GRAIN SHRINKAGE TABLE SHRINKAGE WHEN GRAIN IS DRIED TO THESE LEVELS ...
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