• Switch on the Fan by pressing Fan button on control
panel (see Fig. 2.1).
• Enter the Fan PIN number if required (default is 0001)
• The LED for FAN should illuminate and the FAN should
start.
• If the FAN does not come on, proceed to next step.
• If the LED does not illuminate, check connection from
control panel to main board or replace the membrane.
For SCR:
• Switch on the Fan by switching the rocker switch to “I”
or on position at control panel (see Fig. 2.2).
• If the FAN does not come on, check for loose or
improper wiring connections at the back of the switch.
• If the problem persists, proceed to next step.
• Open the top access panel and locate electrical panel
behind it.
• See Layout A at the end of this section to locate the
relay board inside electrical panel.
• Check Fuse F1 on relay board (see Fig. 2.3).
• If fuse F1 is blown, as temporary solution, use F5 to
replace F1. The fuse F5 is not used and is a spare fuse.
• If fuse F1 is okay, proceed to possible cause 3.
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