Lang LVC-46 Installation And Operation Instructions Manual - page 26
p/n 2M-W2029 OpM L
VC- V
entless Universal Hood
24
TROUBLESHOOTING SUGGESTIONS
NOTE:
FILTERS are the only user serviceable components in this ventilator hood system. For all problems that cannot be remedied by
servicing the filters, contact:
Ventilator section - authorized Lang service agency
Fire suppression system - authorized Ansul® distributor
IMPORTANT:
Contact ANSUL® for fire suppression system installation, set-up and service:
Ansul Incorporated
1-800-TO-ANSUL (1-800-862-6785)
One
Station
Street
Marinette, WI 54143-2542 website
http;//www.ansul.com
IMPORTANT:
Parts used in the Ansul® fire suppression system are not serviceable by the owner/operator.
Procedures for servicing fire suppression equipment are described in:
ANSUL® R-102 SYSTEM DESIGN, INSTALLATION, RECHARGE AND MAINTENANCE MANUAL
(418087, current edition)
NOTE:
ANSUL® Manual 418087 is intended for use by authorized Ansul® service personnel only.
Problem
Possible Cause
Suggested Remedy
Unit will not operate
Disconnected from electric power
Reconnect to electric power
(no indicators lights lit)
Reset circuit breaker for unit
Unit will not operate (buzzer sounds)
Fire suppression system not set
Contact an authorized Ansul® distributor for repairs
CHECK FILTER light lit
Filter pack, Pre-filter or baffle filter not in
position
Properly install filters
REPLACE FILTER light lit
Filter nearing end of service life
Arrange to replace filters in a timely manner
Filter pack plugged
Replace filter pack
Fire damper in exhaust collar has closed
Contact an authorized Lang service agent for repairs
SERVICE REQUIRED light lit
(cooking appliance not operating)
One or more vacuum sensing lines or ports
plugged, or sensing line dislodged.
Contact an authorized Lang service agent for repairs
NOTE: If, after 20 seconds, there is insufficient airflow for proper operation, SERVICE REQUIRED
light will illuminate and under-hood appliance (s) will be de-energized.
Press VENTILATOR POWER SWITCH to OFF, then back to ON to reset system.