- 20 -
No
Temperature protector operated
Power lamp :
Flashes intermittently twice in red.
(For 0.5 sec. at an interval of 5 sec.)
Chec
k 2
Start
Adjust PDP unit installation so that
peripheral temperature is 40.0 or
less.
No
Yes
Is ambient temperature
of IC6950 on Sensor
PCB less than 62 ?
Microcomputer
peripheral circuit
faulty.
Yes
Replace
Main/Digital
PCB Assy.
Temperature
sensor IC6950 faulty.
Replace
temperature sensor
IC6950.
Does unit
operate normally
when temperature sensor
IC6950 changed ?
T
emper
ature sensor cooling
The temper
ature sensor IC6950 is installed
on sensor PCB
. T
u
rn
the po
w
er off and
cool with a point cooler
No
Fan protector operated
Chec
k 1
Start
Yes
Is voltage at
connectors CN951 1pin,
CN352 1pin on Main Digital
PCB (M03CQ) 14V?
Microcomputer
peripheral
circuit faulty.
∗
Replace Main/
Digital PCB Assy.
Fan faulty
Replace fan.
Power lamp:
Flashes six times intermittently in red.
Fan1: Flashes six times Red LED and
flashes once Green LED every 8 sec.
Fan2: Flashes six times Red LED and
flashes twice Green LED every 10 sec.