WPC 1000 User Manual 1125100
Initialization, Setup, and Checkout 3-39
On Shadow VII units, the presence of power is indicated by an illuminated diagnostic
code LED display. The green power LED on the optional Shadow 8 control or the LEDs
on Shadow 8 Main Receiver and Transmitter indicate the presence of power.
• If the Shadow has power, go to the next step.
• If the Shadow does not have power, turn off the light curtain, and check the input power
wiring and the power fuse. (The fuse is located in the Shadow V receiver or in the
Shadow VI, Shadow VII, or Shadow 8 (optional) control box. The Shadow VII DIN
controller has no fuse.) Rewire power connections and/or replace the fuse if necessary.
Power up again. (On Shadow V and Shadow VI units, if there is still no power, turn off
the transmitter and try replacing the amber indicator. Power up again.) If there is still
no power to the unit, call Wintriss Tech. Support.
3. At the Shadow receiver, check to see whether the green (Curtain Unobstructed) indicator
is lit.
• If the green indicator is lit, go to the next step.
• If the receiver’s red (Curtain Obstructed) indicator is lit, realign the light curtain heads.
If the red indicator is still lit, check the interrupt circuit (Shadow V and Shadow VI) or
the Light Curtain Test mode jumper (Shadow VII and Shadow 8). To check the
interrupt circuit, make sure that the following terminal reads 0 V relative to ground:
Shadow V: INT terminal in the transmitter (see Figure 6 at end of manual)
Shadow VI: pin #19 on auxiliary TB4 in the control (see Figure 2 at end of manual)
Shadow VI/WPC Interface Board: pin #5 on TB4 (see Figure 7 at end of manual)
If the applicable terminal does not read 0 V relative to ground, check and correct the
ground wiring for the unit.
The Light Curtain Test Mode jumper, which is located in the lower right corner of the
WPC 1000 Control board (see Figure 2-12, page 2-21), should be positioned at the
“INT” setting when Shadow VII or Shadow 8 light curtains are installed. Reposition the
jumper to the correct setting if necessary. The Light Curtain Output Type jumper, which
is located just beneath the Light Curtain Test Mode jumper, should be set to “PNP.”
If the red indicator is still illuminated, call Wintriss Tech. Support.
• If both the receiver’s green and red indicators are unlit, power down the unit and check
the wiring to the receiver. Also check the power fuse (located in the Shadow V receiver,
in the Shadow VI, Shadow VII, or Shadow 8 (optional) control box, not present in the
Shadow VII DIN control), and replace if necessary. Power up again. If the receiver’s
green and red indicators are still off, replace them. If none of these remedies corrects
the problem, call Wintriss Tech. Support.
4. Block the light curtain. On the receiver, the green indicator should turn off and the red
indicator should illuminate.
• If the receiver’s green indicator goes off and the red indicator comes on, go to the next
step.
• If the receiver’s green indicator stays on when the curtain is blocked, call Wintriss Tech.
Support.
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