Service Manual – Treadmills: E-Series x P-Series
62
DFR Code 40, 20 & 10
Start
Turn the power off then back on at
the switch.
There is a relay on the MCB that
will activate when turning the AC
power on when unit is in operable
condition.
Did the
display beep with
out the relay switch
activating?
Check I/O cable (display cable)
for pinched or damaged wires.
Yes
H1
No
Was the I/O cable
in good condition?
Check the phase wires on the
drive motor for good connection in
the motor harness connector, or
for a damaged wire.
Yes
Was there a
damaged wire or
bad connection on the
phase wires
to harness
connector?
H2
No
H3
H1
Yes
No
End
DFR Code = 40
Phase A Circuit Open / 7 Blinks
DFR Code = 20
Phase B Circuit Open / 6 Blinks
DFR Code = 10
Phase C Circuit Open / 5 Blinks
Possible Causes:
(1) Bad wire connection on drive motor.
(2) Open phase wire in drive motor.
(3) Faulty MCB.
Solution:
__ H1_______
Replace MCB
__ H2_______
Replace I/O cable
__ H3_______
Reinsert the phase
wires into the harness
connector.
Note: If the wire
continues to make a
bad connection replace
drive motor.
DFR CODE FLOWCHART: DEFINITIONS / MCB LED Blinks
DFR Flowchart For #: 40, 20 & 10