Installation Guide

Pomona, CA Clemmons, NC Nashville, TN
Tel: [phone] www.haywardpool.com
USE ONLY HAYWARD GENUINE REPLACEMENT PARTS
51
Code Description Information
HS
Water Temperature
Sensing Error
A) Inlet water temperature sensor is reporting a temperature in excess of 104°F.
Normal operation resumes 2 minutes after inlet water temperature sensor reports
temperatures of 104°F or less. This error functions in both normal and remote
thermostat modes.
or
B) Inlet water temperature sensor is reporting a temperature change at a rate
faster than 6°F in 60 seconds, indicating a potentially damaging low water ow
conditon. Normal operation resumes when temperatures stabilize. If this condi-
tion is detected 3 times in a one hour period, the heater will lock-out until the
electrical power is cycled off and back on.
Sb
Keypad button stuck
closed error
If one of the keypad buttons is closed (or pressed) for more than 30 s the error
code will be displayed but the control will continue to function. The error code
will be cleared when the condition is corrected.
IF
Ignition failure error If the control exceeds the maximum number of ignition retries or recycles the
heater will shut down and go into lockout. Automatic reset is 60 minutes.
CE
Communication error If communication between the ignition board and the display board is not estab-
lished within 3 s of power-up an error will be displayed. After communication is
established, if it is lost for 30 s, the error will be displayed. The error code will
be cleared upon a valid data exchange between boards.
LO
Limit string open error If the limit string opens the heater shuts down and goes into lockout. Automatic
restart is 2 minutes after the error condition is corrected and the limit string
closes. See below for more detail.
EE
EEPROM ERROR An error was detected in the ignition control circuit board.
Figure 31: ERROR CODES (continued)