Mitel Inter-Tel 5000 Installation And Maintenance Manual page 247

Perform the following self-test procedure if installing a Model 8500, 8520, or 8560:
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Inter-Tel 5000 Installation Manual – Issue 2.4, May 2008
While pressing the asterisk (*) and pound/hash (#) buttons, unplug and replace the
endpoint line cord.
Release the buttons. The endpoint rings momentarily. Display endpoints show a dark
display – all pixels lit. If all pixels are not lit, return the endpoint. The LEDs should not
light. If an LED is lit, the button may be stuck.
Lift and replace the handset. The endpoint sounds an alerting tone. If no tone is heard,
return the endpoint. Display endpoints show a blank display—no pixels lit. If any pixel is
lit, return the endpoint.
Lift and replace the handset. The endpoint rings momentarily. Display endpoints show a
display filled with Os.
Lift and replace the handset. The endpoint rings momentarily. Display endpoints show a
display filled with Ms.
Lift and replace the handset. The endpoint rings momentarily, and all red, LED-equipped
buttons light. Display endpoints show TESTING LED MATRIX. If any of the LEDs do not
light, return the endpoint for repair.
Lift and replace the handset. The endpoint rings momentarily, and all green, LED-
equipped buttons light. Display endpoints show TESTING LED MATRIX. If any of the
LEDs do not light, return the endpoint for repair.
Lift and replace the handset. The endpoint rings momentarily. Display endpoints show
TESTING KEY MATRIX.
One at a time, press each of the buttons on the endpoint in any order. If the button is
functioning properly, a key tone is heard, the LED lights red, and a specific code is
shown on the display. The proper code for each button is diagrammed in Figure 5-56 on
page 5-127. If the signal is not heard or the displayed code is incorrect, the button is
faulty; return the endpoint for repair.
Lift and replace the handset. The speaker tones are broadcast over the speakerphone
speaker. Display endpoints show TESTING SPEAKER TONES.
Lift and replace the handset. Tones of various volume levels, from softest to loudest, are
broadcast over the speakerphone speaker. Display endpoints show TESTING
SPEAKER VOLUME.
Lift the handset, then press and release the hookswitch. The handset tones are
broadcast over the handset receiver. Display endpoints show TESTING HANDSET
TONES.
Put on the headset (if one is attached) and place the handset back in its cradle. The
headset tones are broadcast over the headset. Display endpoints show TESTING
HEADSET TONES.
Lift and replace the handset. The endpoint rings momentarily, and it takes approximately
five seconds for the endpoint to return to normal operation. Display endpoints show
TESTNG COMPLETED! for several seconds.
Replace the endpoint if faulty.
If the endpoint watchdog timer fails, the TESTING COMPLETED!
IMPORTANT display is followed by a WATCHDOG ERROR display and eight short
bursts of ring tone. Replace the defective endpoint.
Chapter 5: Installation
Performing the Digital Endpoint Self-Test
Page 5-125