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Heater Short Cycling
Analog Controls - 12/22/03
START
If the heater is turning on and
off every 5 minutes:
Make sure all water valves are
in the correct position, allowing
water to flow through the
heater. Be sure filters and
pump skimmer baskets are
clean. Check to be sure the
water level in the pool is not
below the skimmer.
START
If the heater is turning on and
off every 5 minutes:
Make sure all water valves are
in the correct position, allowing
water to flow through the
heater. Be sure filters and
pump skimmer baskets are
clean. Check to be sure the
water level in the pool is not
below the skimmer.
Is the flow light on
and heater
operating correctly?
Is the flow light on
and heater
operating correctly?
Is the flow light on
and the heater
operating correctly?
Is the flow light on
and the heater
operating correctly?
No
Problem Solved.
Problem Solved.
Inspect water pressure switch for
normal operation; adjust
sensitivity if necessary .
* See DANGER statement.
Inspect water pressure switch for
normal operation; adjust
sensitivity if necessary .
* See DANGER statement.
Re-confirm that water is flowing
through the heater...Check for
flow at Pool/Spa returns.
Re-confirm that water is flowing
through the heater...Check for
flow at Pool/Spa returns.
No
Heater
operating correctly?
Heater
operating correctly?
Is the fan operating?
Is the fan operating?
No
Heater
operating correctly?
Heater
operating correctly?
Inspect the fan motor/capacitor
as needed.
*See DANGER Statement
Inspect the fan motor/capacitor
as needed.
*See DANGER Statement
Be sure the evaporator is clean
and free of air restricting
obstructions.
Be sure the evaporator is clean
and free of air restricting
obstructions.
No
Yes
Yes
No
Call AquaCal for Assistance:
800-786-7751
Call AquaCal for Assistance:
800-786-7751
Yes
Yes
Yes
*Any operation described in this
flow chart, requiring the heater
access panel be removed,
MUST be performed only by
authorized service personnel.