NEC NP-NC900C-A Service Manual page 23

[4] Detect rule: Toggle Force ECO mode rule
(Temp. define is for Sensor read value.)
(Inlet > 45)
(DMD > 70)
(B1 & B2 > 90)
(Check every)
No
Working rated
Precaution
Inlet Sensor
DMD Sensor
Blaster1&2 Sensor
Error (Force ECO
Mode)
Inlet Sensor
DMD Sensor
Blaster1&2 Sensor
"Confidential, Do Not Duplicate without written authorization from NEC."
TROUBLESHOOTING
check if it s ECO mode
'
Yes
check if it s Stand by
30s
switch to ECO mode
(Reduce lamp power
10% with each 5s until
ECO mode)
Precaution Toggle Force ECO Mode
5 mins
(Inlet > 43)
(DMD > 68)
(B1 & B2 > 88)
Remove Force ECO mode
Precaution message and
Working at ECO mode unless it s
switched to normal mode by manual
Toggle Temp
> 41
> 68
> 88
Toggle Temp
> 45
> 70
> 90
Yes
'
Display Error Message
No
Yes
No
'
Clear Temp
< 39
< 66
< 86
Clear Temp
< 43
< 68
< 88
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