Landice L Series Diagnostic And Service Manual page 108

Elevation system not functioning or PO (Pot Out) error code displayed in the
7.1
Enter the DIAGNOSTIC MODE.
Does elevation system work properly?
7.2
7.3
Hold the UP button on the Display.
Is UPSW light on relay board lit?
YES
1. Inspect the ORANGE (UP) wire and the PURPLE (DOWN) wire on both the
wire connector on the relay board and the wire connector on the upper display
board for loose connections or pushed pins.
2. If all harness connections are intact, then replace Upper Display Board.
7.4
Hold the UP button on the
treadmill. Is the yellow UP
light on the relay board lit?
YES
7.5
Do both the UP & DN light
on the relay board light?
7.6
1. Inspect the Black wire (UP) and the Red wire (DOWN), on the 6 pin connector, for
on the relay board light?
2. If all harness connections are intact then replace the Elevation Motor.
two digit speed window.
NO
Unplug 6 pin elevation motor connector from Relay.
Which button or direction has the problem?
UP
NO
Replace relay bd.
YES
Proceed with re-calibrating
YES
elevation potentiometer. (Pg. 74)
DOWN
Hold the DOWN button on the Display.
Is DNSW light on relay board lit?
NO
Hold the DOWN button on
NO
the treadmill. Is the yellow DN
light on the relay board lit?
YES
NO
YES
Do both the UP & DN light
on the relay board light?
108
YES