Heater-Related Messages - Master Spas Trainer 12 Owner's Manual

SWIM SPA - CONTROLS: HEATER-RELATED
MESSAGES
HEATER FLOW IS REDUCED (HFL)
There may not be enough water flow through the heater to carry the heat away from the
heating element. Heater start up will begin again after about 1 min. See "Flow Related
Checks" below.
HEATER FLOW IS REDUCED (LF)*
There is not enough water flow through the heater to carry the heat away from the heating
element and the heater has been disabled. See "Flow Related Checks" below. After the
problem has been resolved, you must press any button to reset and begin heater start up.
HEATER MAY BE DRY (DR)*
Possible dry heater, or not enough water in the heater to start it. The swim spa is shut down
for 15 min. Press any button to reset the heater start-up. See "Flow Related Checks" below.
HEATER IS DRY*
There is not enough water in the heater to start it. The swim spa is shut down. After the
problem has been resolved, you must press any button to reset and restart heater start up.
See "Flow Related Checks" below.
HEATER IS TOO HOT (OHH)*
One of the water temp sensors has detected 118°f (47.8°C) in the heater and the swim spa
is shut down. You must press any button to reset when water is below 108°f (42.2°C). See
"Flow Related Checks" below.
A RESET MESSAGE MAY APPEAR WITH OTHER MESSAGES.
Some errors may require power to be removed and restored.
FLOW-RELATED CHECKS
Check for low water level, suction flow restrictions, closed valves, trapped air, too many
closed jets, pump and dirty filters.
On some systems even when swim spa is shut down, some equipment may occasionally turn
on to continue monitoring temperature or if freeze protection is needed.
* This message can be reset from the topside panel with any button press.
DO NOT DIVE. 46