Cal Spas Home Resort Z-524L Owner's Manual page 30

28
Diagnostic Messages
Message
---F - ---C
Possible freezing condition
The water is too hot
Water flow is low
Water flow has failed
The heater may be dry
The heater is dry
The heater is too hot
Sensors are out of sync
Sensors are out of sync --
Call for service
Sensor A Fault, Senor B Fault
Communications error
°F or °C is replaced by °T
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 by an error condition, some equipment may
occasionally turn on to continue monitoring temperature or if freeze protection is needed.
www.calspas.com
Meaning
Water temperature is unknown. After the pump has been running for
one minute, the temperature will be displayed.
A potential freeze condition has been detected, or the Aux Freeze Switch
has closed. All water devices are activated. In some cases, pumps may
turn on and off and the heater may operate during Freeze Protection.
This is an operational message, not an error indication.
The system has detected a spa water temp of 43.5°C (110°F) or more,
and spa functions are disabled. System will auto reset when the spa
water temp is below 42°C (108°F). Check for extended pump operation
or high ambient temp.
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.
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.
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.
There is not enough water in the heater to start it. The spa is shut down.
After the problem has been resolved, you must clear the message to
restart heater start up. See "Flow Related Checks" below.
One of the water temp sensors has detected 48°C (118°F) in the heater
and the spa is shut down. You must clear the message when water is
below 42°C (108°F). See "Flow Related Checks" below.
The temperature sensors MAY be out of sync by 1°C or 2°C (2°F or
3°F). Call for service.
The temperature sensors ARE out of sync. The fault above has been
established for at least 1 hour. Call for service.
A temperature sensor or sensor circuit has failed. Call for service.
The control panel is not receiving communication from the System. Call
for service.
The Control System is in Test Mode. Call for service.
2015 Portable Spa
LTR20151001, Rev. A