Display Patterns For Error Codes - A.O. Smith 110 Indoor Service Manual

12-3. Display patterns for error codes

Display patterns for error codes
The red LED will blink in the patterns shown below when the water heater has an error code.
When the water heater does not have an error code and is operating under normal conditions, the
red LED will remain solidly lit during operation and will remain completely OFF during stand-by.
For details on the error code, refer to p.35 - 43.
Error code
03, 70
31, 32, 39
11, 12
61
10, 99
51, 55, 72
Red LED
Blinking One Time
Blinking Two Times
LED dispaly
0.5 sec. ON, 0.5 sec. OFF
9007666005
03
70
31
32
39
110 Indoor / 110 Outdoor Service Manual
3 sec.
Red LED
Blinking Three Times
Blinking Four Times
Blinking Five Times
Blinking Six Times
47
CONFIDENTIAL
Ver. 1.01
9007666005
11 12
61
10
51 55
72