Error Codes - Hayward H250FDN Service & Installation Manual

Figure 5: ERROR CODES (continued)
Excessive water
HS
temperature error
Rapid water
HE temperature rise
Keypad button stuck
Sb closed error
Ignition failure error
IF
Communication error
CE
Limit string open error
LO
EEPROM ERROR
EE
If water temperature exceeds 105°F the heater will shut down and go into lock-
out. Automatic restart is  minutes after water temp. drops below 105°F.
If water temperature rises too rapidly the heater will shut down and go into lock-
out. Automatic restart is after  minutes. After the third occurrence in the same
call for heat the heater will lock out.
If one of the keypad buttons is closed (or pressed) for more than 0 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 the control exceeds the maximum number of ignition retries or recycles the
heater will shut down and go into lockout. Automatic reset is 0 minutes.
If communication between the ignition board and the display board is not estab-
lished within  s of power-up an error will be displayed. After communication is
established, if it is lost for 0 s, the error will be displayed. The error code will
be cleared upon a valid data exchange between boards.
If the limit string opens the heater shuts down and goes into lockout. Automatic
restart is  minutes after the error condition is corrected and the limit string
closes. See below for more detail.
An error was detected in the ignition control circuit board.
USE ONLY HAYWARD GENUINE REPLACEMENT PARTS
Pomona, CA Clemmons, NC Nashville, TN
Tel: 908-351-5400 www.haywardpool.com
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