Star Trac 7600, 7700 manual DFR Code 40, 20

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
		No
in good condition?
		H2
	Yes

Check the phase wires on the

drive motor for good connection in the motor harness connector, or for a damaged wire.

Was there a
damaged wire or
bad connection on the
phase wires	No
to harness
connector?
	H1
Yes
H3
End

62Service Manual – Treadmills: E-Series ￿ P-Series