Hitachi CPX265 User Manual - Page 59

Troubleshooting Troubleshooting Related messages When the unit's power is on, messages such as those shown below may be displayed. When any such message is displayed on the screen, please follow the instructions described below. If the same message is displayed after the remedy, or if a message other than the following appears, please contact your dealer or service company. Although these messages will be automatically disappeared around several minutes, it will be reappeared every time the power is turned on. Message NO INPUT IS DETECTED  Description There is no input signal. Please confirm the signal input connection, and the status of the signal source. SYNC IS OUT OF RANGE  fH kHz fV Hz The horizontal or vertical frequency of the input signal is not within the specified range. Please confirm the specs for your projector or the signal source specs. CHECK THE AIR FLOW The internal temperature is rising. Please turn the power off, and allow the projector to cool down at least 20 minutes. After having confirmed the following items, please turn the power ON again. • Is there blockage of the air passage aperture? • Is the air filter dirty? • Does the peripheral temperature exceed 35°C? If the same indication is displayed after the remedy, please set FAN SPEED of the SERVICE item in the OPTION menu to HIGH. REMINDER A note of precaution when cleaning the air filter. *** HRS PASSED AFTER THE Please immediately turn the power off, and clean or change LAST FILTER CHECK. the air filter referring to the "Air Filter" section of this manual FILTER MAINTENANCE IS ESSENTIAL (55). After you have cleaned or changed the air filter, TO REMOVE WARNING MESSAGE, please be sure to reset the filter timer (41). RESET FILTER TIMER. SEE MANUAL FURTHER INFO. 59