User Guide

16
SERVICE TECHNICIANS ONLY: If you require assistance or have questions after performing the troubleshooting, call 1-800-558-1711.
• Unplug auxiliary controls
• Unplug unit
• Wait 1 minute
• Plug unit back
• Wait 10 seconds – Unit performs ƟŶg sequence.
• Once booƟng sequence is over ;ĂŌer 10 sec.), try opeƌĂƟŶg the unit using
the integrated push-ďƵƩŽŶ.
When hiƫng the integrated push-ďƵƩŽn mulƟple Ɵŵes, does the LED go
from OFF to AMBER to GREEN and back to OFF?
Is the power outlet
energized?
No
Refer to an
electrician.
Unit does not work.
Yes
Yes
Replace the
ŽƉƟŽŶĂl wall
control.
No
Integrated control
LED is OFF.
Integrated control
LED Ňashes RED.
Is the jumper
present on J11?
No
Call technical
support.
Yes
Invert J4 and J5
motor connecƟons.
Does the exhaust
motor now work?
No
Restore original
motor connecƟons
and replace the
exhaust motor.
Yes
Restore original
motor connecƟons.
Invert the J6 and J7
capacitors
connecƟŽŶs. Does
the exhaust motor
now work?
Yes
Restore original capacitor
connecƟons and replace the
exhaust motor capacitor.
No
Both speeds
do not work, LED sƟll
Ňashes RED.
Replace the
electronic board.
Use a voltmeter.
Is there 68VAC
between J9-3 and
J9-4?
No
Replace the
transformer.
Yes
Replace the
electronic board.
Try ƌŽƚĂƟng the
exhaust motor by
hand. Does the
wheel rotate easily?
No
Replace the
exhaust motor.
Yes
• Unplug auxiliary controls
• Unplug unit
• Wait 1 minute
• Plug unit back
• Wait 10 seconds – Unit performs ƟŶg sequence.
• Once the ƟŶg sequence is over ;ĂŌer 10 sec.), try opeƌĂƟŶg the unit
using the integrated push-ďƵƩŽŶ.
What happens?
High speed
works, but not low
speed.
Is the fuse on the
electronic board
blown?
Yes
No
Use a voltmeter.
Is there 120 V at
J10?
No
Power cord is
defeĐƟve. Call
technical support.
Yes
Use a voltmeter.
Is there 120 V
between J9-4 and
J9-1?
NoYes
Replace the
electronic board.
Use a voltmeter.
Is there 9.5 V
between J8-4 and
J8-5?
No
Replace the
transformer.
Yes
Call technical
support.
ŝƐĐŽŶƟŶƵĞƵƐŝŶŐ
the unit and contact
technical support.
8. INSTALLER’S TROUBLESHOOTING (CONT’D)