Nierbo UT300 - Appendix - LED Indicators; LED Status Messages and Error Codes

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Appendix
LED indicator message
Indicator
State and description
Power TEMP LAMP1 LAMP2
Power supply event
Orange Off Off Off Standby
Blink in green Off Off Off Power supply is connected
Green Off Off Off
Normal service
Blink in orange Off Off Off Heat dissipation upon normal shutdown
Red Off Off Off Downloading
Green Off Red Off Failure of CW enabling
Blink in red Off Off Off Failure of frequency divider shutdown (data termination)
Red Off Red Off
Failure of frequency divider resetting (limited to video
projector)
Image retention messages
Green Off Off Image retention enabled
Green Green Green Image retention disabled
Bulb error messages
Off Off Red Off Bulb error in normal operation
Off Off Orange Off Bulb not on
Heat error messages
Red Red Off Off
Fan 1 error (actual fan speed beyond required speed by
±25%)
Red Blink in red Off Off
Fan 2 error (actual fan speed beyond required speed by
±25%)
Red Green Off Off
Fan 3 error (actual fan speed beyond required speed by
±25%)
Green Red Off Off Temperature 1 error (beyond temperature limit)
Green Blink in red Off Off Heat sensor 1 enabling error
Green Green Off Off Heat sensor 1 short circuit error
Green Blink in green Off Off Heat IC #1 I2C connection error
Blink in green Red Off Off Temperature 2 error (beyond temperature limit)
Blink in green Blink in red Off Off Heat sensor 2 enabling error
Blink in green Green Off Off Heat sensor 2 short circuit error
Blink in green Blink in green Off Off Heat IC #2 I2C connection error