SECTION 9
9-13
01/01/2014
F1.
TRASH AND PLUGGING PROBLEM - CHECK (HIGH) GRAIN
LEVEL CONTROL SWITCH(S) (SW11, SW12) FOR TRASH
BUILDUP BEHIND PADDLE.
F2A. (HIGH - FRONT) GRAIN LEVEL CONTROL SWITCH. IF
VOLTAGE (120 VOLTS) IS PRESENT ON TERMINAL #46,
CHECK VOLTAGE ON TERMINAL #50 WITH SWITCH PADDLE
ENGAGED. IF VOLTAGE IS NOT PRESENT THE (HIGH -
FRONT) GRAIN LEVEL CONTROL SWITCH (SW11) IS
DEFECTIVE, REPLACE. IF VOLTAGE IS PRESENT, (HIGH -
FRONT) GRAIN LEVEL CONTROL LIGHT (DS29) IS
DEFECTIVE, REPLACE.
F2B. (HIGH - REAR) GRAIN LEVEL CONTROL SWITCH. IF
VOLTAGE (120 VOLTS) IS PRESENT ON TERMINAL #46,
CHECK VOLTAGE ON TERMINAL #51 WITH SWITCH PADDLE
ENGAGED. IF VOLTAGE IS NOT PRESENT THE (HIGH -
REAR) GRAIN LEVEL CONTROL SWITCH (SW12) IS
DEFECTIVE, REPLACE. IF VOLTAGE IS PRESENT, (HIGH -
REAR) GRAIN LEVEL CONTROL LIGHT (DS30) IS
DEFECTIVE, REPLACE.
F3.
CHECK FOR EMPTY WET GRAIN SUPPLY. CHECK AUXILIARY
LOAD SYSTEM FOR PLUGGING, BROKEN BELT, IMPROPER
FLOW RATE, UNDERSIZED LOAD SYSTEM, ETC. THAT MAY
RESTRICT GRAIN FLOW TO DRYER.
G.
CHECK FOR EMPTY WET GRAIN SUPPLY. CHECK AUXILIARY
LOAD SYSTEM FOR PLUGGING, BROKEN BELT, IMPROPER
FLOW RATE, UNDERSIZED LOAD SYSTEM, ETC. THAT MAY
RESTRICT GRAIN FLOW TO DRYER.
4. SEQUENCE:
FAN SWITCH (SW2) TO "ON", HOLD UNTIL ALL FANS ARE
OPERATIONAL.
ACTION:
FAN STARTER(S) (S1, S2, S3, S4) START AND LOCK INTO
OPERATION (5 SECONDS DELAY BETWEEN FANS ON MULTI FAN
UNITS). ALL FAN PROVEN LIGHT(S) "ON" (DS13, DS14, DS15,
DS16), AFTER A 10 SECOND DELAY THE PURGING LIGHT (DS17)
WILL LIGHT AND AFTER 60 SECONDS THE BURNER READY LIGHT
(DS18) WILL LIGHT.
NOTE
:
FAN NUMBER ONE (# 1) IS CLOSEST TO CONTROL PANEL.
SYMPTOMS:
A.
DRYER SHUTS DOWN IMMEDIATELY OR DURING FAN(S) (S1,
S2, S3, S4) STARTUP.
B.
FAN STARTER(S) (S1, S2, S3, S4) WILL NOT LOCK INTO
OPERATION WHEN FAN SWITCH (SW2) IS RELEASED.
C.
SOME OR NONE OF THE FAN PROVEN LIGHT(S) (DS13,
DS14, DS15, DS16) STAY LIT, AFTER THE FAN
STARTER(S) (S1, S2, S3, S4) LOCK INTO OPERATION.
D.
PURGING LIGHT (DS17) WILL NOT LIGHT.
E.
BURNER READY LIGHT (DS18) WILL NOT LIGHT.
POSSIBLE
CAUSES:
A1.
OVERLOAD(S) ON FAN STARTER(S) (S1, S2, S3, S4),
TRIPPED.
Содержание DPX12T
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