Diagnosis Using The 9007666005 - A.O. Smith 110 Indoor Service Manual

12-1. Diagnosis using the 9007666005

1. Press and hold the "HOT" and "COLD" buttons simultaneously for at least 5 seconds to enter
"Diagnostics Mode".
2. Number "1" will be displayed. (Fig.1)
3. Scroll through the needed information (mode #) by pressing the
"HOT" or "COLD" buttons to scroll up or down. (Fig.2)
4. Press the "INFORMATION" button to select the mode #, and the
information which the mode # correlates to will display on the
9007666005. (Fig.3)
5. When the "ON/OFF" button is pressed or 5 minutes have elapsed
without pressing any buttons, the display will return to normal.
1
Fig.1 Fig.2
Mode #
1
Total operation time
2
ON/OFF cycles
3
Inlet temperature
4
Outlet temperature
5
Air-Fuel ratio rod current
6
Flow rate
7
Energization time of Unit
8
Integrating flow of Unit
9 Integrating output of Unit
A
Air-Fuel ratio stage
b Error code history: displays most recent error code
C Error code history: displays 2
d Error code history: displays 3
E Clears memory in error code history
F Fan motor speed
10
0
*
Simultaneously press the "INFORMATION" and the "HOT" buttons on the 9007666005 while in mode# E for at
least 5 seconds to completely clear the memory in the error code history
4
75
Fig.3
For example, mode #3 will display of the Inlet temperature.
Description of mode numbers in "Diagnostics Mode"
Individual 110 Indoor or 110 Outdoor unit information
0 to 99 (×1,000 hours)
0 to 99 (×10,000 cycles)
32 to 210 (°F). Over 210°F=E5, under 32°F=E0
32 to 210 (°F). Over 210°F=E5, under 32°F=E0
0 to 99 μA
0.0 to 13.7 GPM
0 to 99 (×0.1 year)
0 to 99 (×100 kgallon)
0 to 99 (×100 MBTU)
00 to 16 normal condition=06
nd
most recent error code
rd
most recent error code
*
0 to 99 (×100 rpm)
N/A
110 Indoor / 110 Outdoor Service Manual
"INFORMATION"
Button
.
45
CONFIDENTIAL
Ver. 1.01
9007666005
"HOT" Button
"COLD" Button
"ON/OFF"
Button