Diagnostic messages – Balboa Water Group MLM990S User Manual
Page 10
10
MESSAGE
MEANING
Power has been cut off to the spa.
Heater Overheat
º"ÛiÀ i>М»КК/ iКГ«>Ê >ГКГ ХМК`Ь.
1
On some systems, an alarm may sound.
"iÊvÊÌ
iÊÃiГАГК
>ÃÊ`iÌiVÌi`Ê££ncÊ
>««АЭ>МiЮК{З°nc®Ê>ÌÊÌ
iÊ
i>ÌiÀ°
º"ÛiÀ
i>М»КК/
iКГ«>Ê
>ГКГ
ХМК
down.
1
One of the sensors has
`iÌiVÌi`ÊÌ
>ÌÊÌ
iÊë>ÊÜ>ÌiÀÊÃÊ££дcК
>««АЭ>МiЮК{О°Оc®°
ºVi»КК*МiМ>ÊvÀiiâiÊ
condition detected.
-«>КГКГ ХМК`Ь.
1
The sensor that
ГК«Х}}i`КМКМ
iК-iÃАКº»К>VКГК
МКЬА}°
-«>КГКГ ХМК`Ь.
1
The sensor that is
«Õ}}i`КМКМ
iК-iÃАКº »К>VКГК
МКЬА}°
-iГАГК>АiКХМКvКL>>Vi°
-iÃÀÊv>ХАi°К/ iКГ«>КГКГ ХМК`Ь°
1
ÊÃÕLÃÌ>Ì>Ê`vviÀiViÊLiÌÜiiÊÌ
iÊ
temperature sensors was detected.
This could indicate a flow problem.
*iÀÃГМiМКЬКvЬК«АLiГ°КГ«>ЮГК
КМ
iКvvМ
КVVÕÀÀiViÊvÊÌ
iʺ
Heater
ЬКЬ
»КiГГ>}iКЬМ КУ{К ХАГ°®К
Heater is shut down, but other spa
functions continue to run normally.
Inadequate water detected in heater.
ACTION REQUIRED
The control panel will be disabled until power returns. Time
vÊ`>ÞÊÜÊLiÊ«ÀiÃiÀÛi`КvАКОдК`>ЮГКЬМ
К>ÊL>ÌÌiÀÞÊL>VХ«КК
näääÊÃÞÃÌiГ°К
£дддК>`ÊÃiÊ
ÓäääÊÃÞÃÌiÃÊÀiÃiÌÊÌ
iК
МiКvК`>ÞÊÊi>V
Ê«ЬiАХ«°К-«>ÊÃiÌÌ}ÃÊ>ÀiÊ«ÀiÃiÀÛi`КК>Ê
systems.
"К "/К
/
,К/
К7/
,°К,iÛiÊÌ
iÊë>ÊVÛiÀÊ>`Ê>ЬК
Ь>ÌiÀÊÌКV°К"ViÊÌ
iÊ
i>ÌiÀÊ
>ÃÊVi`]ÊÀiÃiÌÊLÞÊÕÃ}Ê>Ê>ÃÌÊ
Key. If spa does not reset, shut off the power to the spa and call
your dealer or service organization.
"К "/К
/
,К/
К7/
,°К,iÛiÊÌ
iÊë>ÊVÛiÀÊ>`Ê>ЬК
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iКГ«>КГ
Х`К
automatically reset. If spa does not reset, shut off the power to
the spa and call your dealer or service organization.
No action required. The pumps and the blower will automatically
activate regardless of spa status.
If the problem persists, contact your dealer or service
À}>â>М°К>ÞÊ>««i>ÀÊÌi«À>АЮКК>ÊÛiÀ
i>МКГМХ>МК
and disappear when the heater cools.)
If the problem persists, contact your dealer or service
À}>â>М°К>ÞÊ>««i>ÀÊÌi«À>АЮКК>ÊÛiÀ
i>МКГМХ>МК
and disappear when the heater cools.)
This may just be a temporary condition, and may clear itself.
Ì>VÌÊÞÕÀÊ`i>iÀÊÀÊÃiÀÛViКА}>â>Ì°
iVÊÜ>ÌiÀÊiЫiККГ«>°Ê,ivÊvÊiViÃÃ>АЮ°КvКМ
iКЬ>ÌiÀÊiЫiК
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iК«Х«ГК
>ÛiÊLiiК«Аi`°К}
}
МКМ
iК
message and press
to reset.
ÜÊ>VÌÊÀiµÕÀi`ÊvÀʺ
Heater Flow Low
»ÊiÃÃ>}i°Ê
iVÊÜ>ÌiÀÊiЫiККГ«>°Ê,ivÊvÊiViÃÃ>АЮ°КvКМ
iКЬ>ÌiÀÊiЫiК
ГК>Ю]К>iÊÃÕÀiÊÌ
iК«Х«ГК
>ÛiÊLiiК«Аi`°Ê7ÊÀiÃiÌÊ
automatically after 15 minutes, or highlight and press
.
Spa Overheat
Freeze Condition
Sensor A
Fault
Sensor B
Fault
Sensor Sync
Sensor Sync Fail
Heater
Flow Low
Low Flow
Heater May
Be Dry
Diagnostic Messages
No Message
on Display
1 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.