Lexmark X644E Service Manual - Page 68

7002-xxx Service error codes (9xx.xx) (continued) Error code Sub codes Display text Description Action 925 .52 925 .91 925 .92 927 .00 927 .01 927 .02 927 .03 927 .04 927 .05 927 .06 Too hot to do lamp detection and NVRAM bit indicates previous wrong lamp detected. Fuser page count stopped at 500,000 to preserve data. Attempting to POR machine after receiving a 925.01. Go to "925.xx-Hot fuser service check" on page 2-137. Lamp detection performed and found error. Writes to the fuser information chip have been disabled due to a previous write failure. • 115 V lamp in 220 V printer. • Lamp has excessive wattage. Go to "925.xx-Hot fuser service check" on page 2-137. Too hot to do lamp detection and NVRAM bit indicates previous wrong lamp detected. Writes to the fuser information chip have been disabled due to a previous write failure. Attempting to POR machine after receiving a 925.01. Go to "925.xx-Hot fuser service check" on page 2-137. Service fan error. • Loose connector. • External blockage of the fan, preventing it from turning. • Bad fan. Go to "Main fan service check" on page 2-119. Main fan stalled. • External blockage of fan • Fan may not turn due to internal fan problem. Go to "Main fan service check" on page 2-119. Cartridge fan stalled. • Loose connector. • External blockage of the fan, preventing it from turning. • Bad fan. Go to "Cartridge fan service check" on page 2-119. Main fan took too long to ramp up. • Loose connector. • External blockage of the fan, preventing it from turning. • Bad fan. Go to "Main fan service check" on page 2-119. Main fan underspeed or stalled during speed adjustment state. • Corrupted feedback signal. • Fan input voltage may be too low. Go to "Main fan service check" on page 2-119. Main fan overspeed during speed adjustment state. • Corrupted feedback signal. • Fan input voltage may be too low. Go to "Main fan service check" on page 2-119. Main fan capture data is invalid and speed control is at maximum in fan control idle state. Corrupted or non-existent feedback signal. Go to "Main fan service check" on page 2-119. 2-30 Service Manual