Trouble-Shooting Guide - Pentax EPK-700 Owner's Manual

TROUBLE-SHOOTING GUIDE

7 Trouble-shooting guide
Condition Check
Power does not come Power cord
ON
Breaker
Power outlet
No display on monitor Monitor/other peri-
pheral devices
Cable connections
Text cannot be typed Monitor display
to screen
Keyboard
Numbers cannot be Keyboard
typed to screen
Lamp will not ignite Lamp life meter
No image on main Endoscope
screen
Lamp
Image on screen is Lamp
black and white
Unusual characters
on screen and no
response to any key
on the keyboard
Endoscope control Scope
buttons do not control
Freeze, Copy, VCR
functions
front panel control
buttons
Cables
No air delivery at di- Air pump
stal end of endoscope
Water bottle
A/W-Ventil
No water delivery at Air pump
distal end of endos-
Water bottle
cope
A/W valve
34
Action
Ensure proper connection at unit and wall outlet.
Ensure the red button is not protruding out.
Move the power cord to a power socket that is known to work.
Ensure power is ON for all devices.
Ensure proper video input is selected for all devices.
Ensure all video cables are connected properly.
Ensure cursor is visible, press Enter to evoke cursor.
Ensure keyboard is properly connected to the processor.
Ensure Num Lock is ON and use numeric keys.
Ensure less than 200 hours lamp life. If more, change the lamp.
Ensure the endoscope is connected properly.
Ensure lamp is lit.
Ensure lamp is lit.
Turn OFF the processor and contact your Pentax service center.
Ensure endoscope is properly connected.
Test front panel control buttons. If they activate features and endoscope control buttons do not, call
a service representative.
Ensure all control cables are properly connected.
Ensure air pump is ON.
Ensure proper connections at EPK-700 and endoscope.
Ensure the A/W-Drain lever is in the A/W position.
Check if the air/water value is blocked. Check all O-rings and clean the value.
Ensure air pump is ON.
Ensure proper connections at EPK-700 and endoscope.
Ensure water bottle is 2/3 full.
Ensure the A/W-Drain lever is in the A/W position.
Ensure the water feeding stem is connected to the cap assembly inside the bottle.
Ensure the A/W valve aperture is not clogged, inspect all O-rings, clean the A/W valve.