DFR Code 800 & 400

DFR CODE FLOWCHART: DEFINITIONS / MCB LED Blinks

DFR Flowchart For #: 800 & 400

Solution:

__ E1_______

Clean the under the

running belt and re-test

Note: If the problem continues replace the running belt.

__ E2_______

Replace MCB

Note: Make sure there

are no objects or

moveable parts that

may cause damage to

the wire.

___________________

Solution:

__ F1________

Replace MCB

Note: If AC LED is on and you get this error, replace the MCB.

__ F2________

Reconnect display cable and re-test

Note: If AC LED is not

on check the I/O

interface cable and connection. A speed command with the relay off can cause this error.

__ F3________

Replace I/O Interface cable (Display Cable)

__ F4________

Replace I/O Interface cable (Display Cable) and if the error still occurs replace the MCB

DFR Code = 800

Phase Over Current / 12 Blinks

Possible Causes:

(1)Worn running belt.

(2)Dirty running belt

(3)Faulty MCB.

Start

Turn the power off then back on at

the switch.

Engage Motor Test Mode.

Incline the unit to max elevation.

Stand at the highest point of the incline and push body weight back.

Does

the running belt slide smoothly across

deck?No

E1

Yes

Decline unit back to zero percent

in test mode.

Increase the speed to 2 MPH and

attempt to push the

belt back faster that the

commanded speed.

Does the running belt hold strong

to it’s commanded

speed?No

E2

E1

End

DFR Code = 400

Illegal Speed Command / 11 Blinks

Possible Causes:

(1)Pinched or damaged display cable.

(2)Bad wire connection to drive system

(3)Faulty MCB.

Start

Turn the power off then back on at

the switch.

Check AC LED on MCB to see if

it’s lit.

Does the AC LED off?

 

No

 

F1

Yes

Check I/O cable (display cable) at

the display and MCB for bad

connection.

Was the I/O cable

 

(display cable) making a

No

good connection?

F2

Yes

Check I/O cable (display cable)

pinched or damaged wires.

Was the I/O cable

(display cable) pinched or

damagd?No

YesF4

F3

End

60Service Manual – Treadmills: E-Series ￿ P-Series

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Star Trac 7600, 7700 manual DFR Code 800