Da-Lite Senior Electrol Книга инструкций - Страница 6
Просмотреть онлайн или скачать pdf Книга инструкций для Проекционный экран Da-Lite Senior Electrol. Da-Lite Senior Electrol 8 страниц.
Также для Da-Lite Senior Electrol: Книга инструкций (8 страниц), Книга инструкций (8 страниц)
Печатать страницу
TROUBLESHOOTING
Visit www.da -lite.com/products/tutorials.php to find installation and troubleshooting tutorials. You will also
find a link to Live Chat for interactive support and you can contact us by email at [email protected] or by phone
at (800) 622-3737 or (574) 267-8101 with any troubleshooting questions.
SYMPTOM
1. S creen will not operate or will not
go "down".
2. Motor hums.
CAUSE
(a) B lown fuse.
(b) Tripped circuit breaker.
(c) I mproper wiring to operating
switch.
(d) I mproper wiring to junction box in
screen.
(e) T hermal overload tripped (exces-
sive overheating).
(f) B urned out motor winding.
(g) Defective limit switch.
(a) Temporary binding.
(b) Shipping bracket not removed.
(c) Defective capacitor.
5
SOLUTION
(a) R eplace fuse.
(b) Reset circuit breaker.
(c) T ighten all loose wire connec-
tions. Correct any improper con-
nections. Check for power.
"Down" Position
C heck for power across black and
white leads.
"Up" Position
C heck for power across red and
white leads.
(d) "Down" Position
C heck for power at black and
white leads.
"Up" Position
C heck for power at red and
white leads.
(e) L et motor cool down for 15 min-
utes. Try again.
(f) D isconnect motor leads and
check for continuity between
black and white wires for "down"
position. Check for continuity be-
tween red and white wires for
"up" position. Replace gear motor
if either combination shows an
open circuit.
(g) D isconnect "down" limit switch
from circuit. Check for continuity.
Switches are normally closed and
open on contact.
(a) W ith power "off," turn roller by
hand to free binding.
(b) R emove shipping bracket and
wooden wedge.
(c) R eplace capacitor