DFR Code 40, 20 & 10
DFR CODE FLOWCHART: DEFINITIONS / MCB LED Blinks
DFR Flowchart For #: 40, 20 & 10
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 = 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.
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 No activating?
H1
Yes
Check I/O cable (display cable) for pinched or damaged wires.
Was the I/O cable |
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| No | |||||
in good condition? |
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| H2 | |
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| Yes |
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Check the phase wires on the
drive motor for good connection in the motor harness connector, or for a damaged wire.
Was there a |
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damaged wire or |
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bad connection on the |
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phase wires | No |
to harness | |
connector? |
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| H1 |
Yes |
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H3 |
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End |
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62Service Manual – Treadmills:
