Lexmark X644E Service Manual - Page 66

7002-xxx Service error codes (9xx.xx) (continued) Error code Sub codes Display text Description Action 923 .51 923 .91 924 .01 924 .11 924 .21 924 .31 924 .41 924 .51 924 .91 925 .01 925 .02 Fuser over temperature. Fuser page count stopped at 500,000 to preserve data. • Short in the thermistor circuit. • Noisy thermistor signal • Fuser is actually overheating due to hardware faults. Fuser over temperature. Fuser page count not available. • Short in the thermistor circuit. • Noisy thermistor signal • Fuser is actually overheating due to hardware faults. Open thermistor check failure. Fuser page count between 0 and 99,999. • Noisy thermistor signal. • Intermittent connection. • Thermistor cable not connected or thermistor actually open. Open thermistor check failure. Fuser page count between 100,000 and 199,999. • Noisy thermistor signal. • Intermittent connection. • Thermistor cable not connected or thermistor actually open. Open thermistor check failure. Fuser page count between 200,000 and 299,999. • Noisy thermistor signal. • Intermittent connection. • Thermistor cable not connected or thermistor actually open. Open thermistor check failure. Fuser page count between 300,000 and 399,999. • Noisy thermistor signal. • Intermittent connection. • Thermistor cable not connected or thermistor actually open. Open thermistor check failure. Fuser page count between 400,000 and 499,999. • Noisy thermistor signal. • Intermittent connection. • Thermistor cable not connected or thermistor actually open. Open thermistor check failure. Fuser page count over 500,000. • Noisy thermistor signal. • Intermittent connection. • Thermistor cable not connected or thermistor actually open. Open thermistor check failure. Fuser page count not available. • Noisy thermistor signal. • Intermittent connection. • Thermistor cable not connected or thermistor actually open. Lamp detection performed and found error. Fuser page count between 0 and 99,999. • 115 V lamp in 220 V printer. • Lamp has excessive wattage. Too hot to do lamp detection and NVRAM bit indicates previous wrong lamp detected. Fuser page count between 0 and 99,999. Attempting to POR machine after receiving a 925.01. Go to "923.xx-Hot fuser service check" on page 2-135. Go to "923.xx-Hot fuser service check" on page 2-135. Go to "924.xx-Hot fuser service check" on page 2-136. Go to "924.xx-Hot fuser service check" on page 2-136. Go to "924.xx-Hot fuser service check" on page 2-136. Go to "924.xx-Hot fuser service check" on page 2-136. Go to "924.xx-Hot fuser service check" on page 2-136. Go to "924.xx-Hot fuser service check" on page 2-136. Go to "924.xx-Hot fuser service check" on page 2-136. Go to "925.xx-Hot fuser service check" on page 2-137. Go to "925.xx-Hot fuser service check" on page 2-137. 2-28 Service Manual