12 Vdc Transformer Replacement; Relay Board - Landice L Series Diagnostic And Service Manual

CHOKE- LTD and Club ONLY
1. Remove Red wire. This connects Choke to SCR.
2. Remove Purple wire. This connects Choke to SCR.
3. Reverse to install.
CAPACITOR- LTD and Club ONLY
1. Remove White wire. This connects Capacitor to SCR.
2. Remove Black wire. This connects Capacitor to SCR.
3. Remove Purple wire. This connects Capacitor to Choke.
4. Remove Resistor. This connects both Poles of the Capacitor.
5. Reverse to install.

12 VDC TRANSFORMER REPLACEMENT

Observe the proper polarity when installing a new DC power transformer. Catastrophic damage
can occur to the upper display board electronics if the DC polarity is reversed.
1. If your DC transformer has color coded fast-on (push on) connectors:
Blue - negative (-)
Red - positive (+)
2. If your DC transformer has fast-on (push on) connectors:
Black Wire (smooth) - negative (-)
Black Wire (ribbed) - positive (+)
3. If your DC transformer has pin-type connectors:
Black Wire - negative (-)
Black Wire w/ White strip - positive (+)
4. If you are retrofitting a new style DC transformer (Fast-On) connectors to a treadmill equipped
with (Pin - Type) connectors follow these instructions.
a. Snip the DC output wires six inches from the harness plug with a pair of diagonal cutters.
b. Snip the FAST-ON connectors from the new DC transformer.
c. Use solder-less butt-type connectors to splice the wires together.
d. Use the information listed above to make sure the proper polarity is observed.

RELAY BOARD

1. Remove Orange wire from P1. This wire connects Relay Board to MCB.
2. Remove Brown wire from P2. This wire connects Relay Board to MCB.
3. Remove Purple wire from V+. This wire connects Relay to MCB.
4. Remove two (2), Black wires from DC Transformer. These wires connect Relay Board to DC
Transformer. Note: Wires coming from Transformer are hard wired.
5. Remove Clip for Red, Green, and Black wires. These wires connect Relay Board to Speed
Sensor mounted on Drive Motor.
6. Remove Clip for Blue, Orange, Brown, Red, Black, and White wires. These wires connect to
Elevation Motor.
7. Remove Clip with Red, Brown, Blue, Yellow, White, Black, and Green wires labeled Upper
Harness. This connects the Relay Board to the Upper Display.
8. Remove Four screws and remove board.
9. Reverse to install.
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