General Messages
Warning!
Do not attempt service of control system. Contact your dealer or service organization for assistance. Follow all owner’s manual power
connection instructions. Installation must be performed by a licensed electrician and all grounding connections must be properly installed.
Priming Mode – MO19
Each time the spa is powered up, it enters Priming Mode, which
allows the user to manually run each pump and verify they are
primed (air purged) and water is flowing. This typically requires
observing the output of each pump separately, and is generally
not possible in normal operation. Priming Mode lasts 4 minutes,
but can be exited manually by pressing a Temperature Button.
The heater will not run during Priming Mode.
Water Temperature is Unknown:
After the pump has been
running for 1 minute, the temperature will be displayed.
Too Cold – Freeze Protection
A potential freeze condition has been detected, or the Aux
Freeze Switch has closed, and all pumps and blower are
activated. All pumps and blowers are ON for at least 4 minutes
after the potential freeze condition has ended, or when the aux
freeze switch opens. In some cases, pumps may turn on and off
and heater may operate during Freeze Protection. This is an
operational message, not an error indication.
Water is too Hot (OHS) – MO29
One of the water temp sensors has detected spa water temp
110*F (43.3*C) and the spa functions are disabled. System will
auto reset when the spa water temp is below 108*F (42.2*C).
Check for extended pump operation or high ambient temp.
Safety Tip – Pump Suction Blockage* - MO33
The Safety Tip error message indicates that the vacuum switch
has closed. This occurs when there has been a suction problem
or a possible entrapment situation avoided. (Note: Not all spas
have this feature). *This message can be reset with any button
press.
Heater may be Dry (dr)* - MO28
Possible dry heater, or not enough water in the heater to start it.
The spa is shut down for 15 min. Press any button to reset the
heater start-up. *See “Flow Related Checks” below.
Heater is Dry* –MO27
There is not enough water in the heater to start it. The 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 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.
*Flow-Related Checks:
Check for low water level, suction
flow restrictions, closed valves, trapped air, too many closed
jets and pump prime. On some systems even when 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 with any button press).
General Maintenance Helps
Reminder messages can be suppressed by using the PREF Menu
(see page 11 of User Guide). Reminder messages and message
frequency can be chosen individually by the manufacturer.
Press a Temperature Button to reset a displayed reminder
message.
Check pH
with a test kit and
adjust pH with the appropriate
chemicals. Appears on regular
schedule (e.g. every 7 days).
Check sanitizer level
and
other water chemistry with test
kit and adjust with appropriate
chemicals. Appears on regular schedule (e.g. every 7 days).
Clean the filter
media as
instructed by manufacturer.
Appears on regular schedule.
(e.g. every 30 days).
The Ground Fault Circuit
Interrupted
(GFCI) or Residual
Current Device (RCD) is an
important safety device and must be tested on a regular basis to
verify its reliability. Every user should be trained to safely test
the GFCI or RCD associated with the hut tub installation. A
GFCI or RCD will have a TEST and RESET button on it that
allows a user to verify proper function.
Warning
: If freezing conditions exist, a GFCI or RCD should
be rest immediately or spa damage could result. This end user
should always be trained to test and reset the GFCI or RCD on a
regular basis.
