SENSOR-RELATED MESSAGES
Sensors are out of sync – M015**
The temperature sensors MAY be out of sync by 2°F. Call for Service if this message does not
disappear within a few minutes.
Sensors are out of sync – Call for service* – M026**
The temperature sensors ARE out of sync. The fault above has been established for at least 1
hour. Call for Service.
Sensor A Fault, Senor B Fault – Sensor A:
M031**, Sensor B: M032**
A temperature sensor or sensor circuit has failed. Call
for Service.
MISCELLANEOUS MESSAGES
Communications error
The control panel is not receiving communication from
the System. Call for Service.
Test software installed
The Control System is operating with test software. Call for Service.
SYSTEM-RELATED MESSAGES
Program memory failure* – M022**
At Power-Up, the system has failed the Program Checksum Test. This indicates a problem
with the firmware (operation program) and requires a service call.
The settings have been reset (Persistent Memory Error)* – M021**
Contact your dealer or service organization if this message appears on more than one power-up.
The clock has failed* – M020**
Contact your dealer or service organization.
Configuration error (Spa will not Start Up)
Contact your dealer or service organization.
The GFCI test failed (System Could Not Test the GFCI) – M036**
(North America Only) May indicate an unsafe installation. Contact your dealer or service
organization.
A pump may be stuck on – M034**
Water may be overheated. POWER DOWN THE SPA. DO NOT ENTER THE WATER. Contact your
dealer or service organization.
Hot fault – M035**
A pump appears to have been stuck ON when spa was last powered. POWER DOWN THE
SPA. DO NOT ENTER THE WATER. Contact your dealer or service organization.
* Some messages can be reset from the panel.
Messages that can be reset will appear with a Clear Icon
at the bottom of the Message Screen. Press the Clear
Icon text to reset the message.
**M0XX is a Message Code. Codes like this will be seen in the Fault Log.
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