40 USE ONLY GENUINE REPLACEMENT PARTS
TROUBLESHOOTING:
Error and Display Codes: See Table16: Display Code Index.
Troubleshooting the unit: See Table17: Troubleshooting Lookup Chart.
AUTOMATIC RESET TIME: The heater will automatically reset when an error condition is corrected and resume operation. The
heater can be manually reset using the keypad by cycling the MODE button through “STANDBY” and back to the original operating
mode (“POOL” or “SPA”).
WARNING: These instructions are intended for the use of qualified personnel trained and experienced in the installation
and servicing of this type of heating equipment and its related system components. Some states may require installation
and service personnel to be licensed. Persons not qualified should not attempt to repair this equipment according to these
instructions. These instructions and procedures are not for the use of “do-it-yourself” consumers.
WARNING: BURN HAZARD The operation of the heater with the pump shut off could cause heater
overheating and fire. Never operate heater with the pump shut off.
NOTICE: As a preliminary check, make sure that all wire connections are clean and tight and that all wiring conforms to the
wiring diagram.
FUSE SPECIFICATIONS: The fuse designations are printed on the power board and the ignition control board. See Figure23:
Location of Components for board locations. Fuses are available as common hardware items or may be purchased from
manufacturer in a service parts kit. The fuse specifications are:
F1 fuse (low voltage): 3A blade style fast-acting automotive fuse, type 257
FC1 & FC2 (transformer primary) and FC4 (transformer secondary):3A slo-blo fuse, 5 x 20 mm
INTERNAL WIRING: If the heater display is blank after the electrical has been installed, refer to Troubleshooting Lookup Chart to
determine the cause. Note, the ribbon cable between the display board and the ignition control board is keyed to ensure correct
connection.
SUPPLY WIRING: If the heater is connected to the line side of the circuit it will be powered at all times. In this situation, when the
pump shuts down the heater will display a fault code of “LO”. If there is a call for heat and the pump then restarts there will be a 2-
minute delay for the heater to fire. After the pump has been running for at least 2 minutes there is no delay for heater operation.
Wiring the heater to the load side of the timer or controller will not result in a 2-minute delay if the pump primes quickly enough to
activate the heater’s water pressure switch. If the pump is slow to prime the heater may display an “LO” fault code and will take 2
minutes to automatically restart. If the pump has primed, this wait can be avoided by manually clearing the error code via the
keypad by changing the mode through the “STANDBY” setting and returning to the initial setting (“SPA” or “POOL”).When a heater
is wired to the line side of the power circuit (continuous power) the blower will not operate when the pump is cycled via a time clock
or other switch method.
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