American Diagnostic Corporation (ADC) Diagnostix 2.5v - Manual (Page 6)

Ophthalmoscope Troubleshooting Guide
Trouble Area Possible Cause Corrective Action
Aperture dial is Rotate Aperture dial
between positions
Lamp Burned Replace the lamp with
No light output out ADC part #5112N-4
Wrong Lamp Replace the lamp with
Installed ADC part #5112N-4
Batteries are depleted Replace with fresh “AA” batteries
Instrument head Lamp not fully inserted Re-insert lamp
will
not connect Thread/connection is damaged Service required
Spot is not The aperture dial is not centered Move aperture dial to
centered the full detent position
Lamp near end of useful life Replace the lamp with
Dim light ADC part #5112N-4
output
Batteries are depleted Replace with fresh “AA” batteries
Aperture or lens wheel will not Dirt in or damage Service
turn or does so with difficulty to mechanism required
Visible corrosion on instrument Damage from excessive moisture Service required
Environment
Transportation / Storage: -4°F to 120.2°F (-20°C to +49°C)
RH 95 %
500 hpa – 1060 hpa, Altitude
Environmental Operating Range: 50°F to 120.2°F (10°C to 49°C)
RH 95 % (Max)
500 hpa – 1060 hpa, Altitude
Maximum Operating Temperature: 95°F (35°C)
Symbols
Attention: Read Operating Manual for Cautions and Instructions for Use.
Attention: This is NOT an AP or APG apparatus.
TYPE B. Indicates this is a product with Type B applied parts.