Grain Systems Bucket Elevtors, Conveyors, Series II Sweeps PNEG-1895 - Manual (Page 55)

7. Troubleshooting
PNEG-1895 V2 Electronic Distributor Control 55
Fault Code Descriptions, Possible Causes and Solutions
(Continued)
Code Fault Type Description Cause Solution
205 Encoder
Encoder Channel A
is OFF, Encoder
Channel B is OK
Controller is detecting no
signal from encoder
channel A, channel B is
functioning normally.
Controller is receiving no signal from channel A (blue
terminal block #3) and a normal pulsing signal from
channel B (blue terminal block #4). Verify that blue
terminal block #3 has proper electrical continuity and
that connections are secure. If wiring is correct and
all terminals have continuity, check for 24V across
terminals 1 and 2. If encoder has 24V power and
problem persists the encoder has likely failed.
Replace encoder.
206 Encoder
Encoder Channel A
is ON, Encoder
Channel B is OK
Controller is detecting
encoder channel A
always ON, channel B
is functioning normally.
Controller is receiving a constant signal from
channel A (blue terminal block #3) and a normal
pulsing signal from channel B (blue terminal block #4).
Verify that blue terminal block #3 has no short present
in that circuit and that connections are secure. If wiring
is correct and all terminals have continuity, check for
24V across terminals 1 and 2. If encoder has 24V
power and problem persists the encoder has likely
failed. Replace encoder.
207 Encoder
Encoder Channel A
is OK, Encoder
Channel B is OFF
Controller is detecting
encoder channel A
functioning normally,
channel B no signal.
Controller is receiving a normal pulsing signal from
channel A (blue terminal block #3) and no signal from
channel B (blue terminal block #4). Verify that blue
terminal block #4 has proper electrical continuity and
that connections are secure. If wiring is correct and
all terminals have continuity, check for 24V across
terminals 1 and 2. If encoder has 24V power and
problem persists the encoder has likely failed.
Replace encoder.
208 Encoder
Encoder Channel A
is OK, Encoder
Channel B is ON
Controller is detecting
encoder channel A
functioning normally,
channel B always ON.
Controller is receiving a normal pulsing signal from
channel A (blue terminal block #3) and a constant
signal from channel B (blue terminal block #4). Verify
that blue terminal block #4 has no short present in that
circuit and that connections are secure. If wiring is
correct and all terminals have continuity, check for 24V
across terminals 1 and 2. If encoder has 24V power
and problem persists the encoder has likely failed.
Replace encoder.
301 VFD
Variable frequency
electric motor drive
has faulted. VFD has detected a
malfunction while driving
the electric motor.
Open control panel and observe red LCD display
screen on power flex Variable Frequency Drive (VFD).
this display should show a numbered fault code
corresponding to the malfunction. Press red button
to reset fault and consult manufacturer’s technical
manual for full description of fault.