Hisense C1 Series User Manual

11
7.Troubleshooting
7.1 Warning indicator light
Light
Failure
principle
Fault determination
Flash 1
The NTC
temperature
exceeds the
protection
temperature
(1) If there is a shield in the air outlet / inlet (the distance between
the left and right sides of the main engine is 20CM) or the ambient
temperature is too high (not higher than 35°), --- remove the shield
/ reduce the ambient temperature
(2) NTC failure/poor plug-in --- shutdown cooling (25 degrees), the
measurement value is about 10K, then NTC has no problem, such
as the resistance value is too large or too small (obvious open
circuit or short circuit), NTC is bad, replace NTC resistance.
Flash 2
The fan speed is
slow or stops
spinning
(1) A foreign object jams the fan, causing the fan speed to be
abnormal or stop rotating --- cleaning
(2) The fan is broken ---replace the fan
(3) Poor fan transmission
a. Fan directly connected to the display board --- replace the display
board
b. Poor replacement of the display board/fan adapter board ---
optical engine fan
Flash 3
DLP system
failure
(1) The FFC between the display board and the DMD board is
poorly plugged/ failure--- reinserted/replaced FFC
(2) DMD part is not installed in place/DMD failure/DMD board
failure--- reassemble DMD/replace DMD/replace DMD board
(3) The display board failure--- replace the display board
Flash 4
Communication
failure from the
display board to
the TV board
(1) Check whether there is a problem with the connection cable
from the display board to the TV board--- reinsert/replace the cable
(2) The display board failure ---replace the display board
(3) The mainboard failure--- Replace the mainboard

Hisense C1 Series Specifications

General

Brand	Hisense
Model	C1 Series
Category	Projector
Language	English