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When this error code appears, the temperature
sensors may be out of sync by 3°F. Call your
dealer for service, if this message does not
disappear within a few minutes.
Sensors are out of sync - M015
Sensors are out of sync - M026
This code is specic to when the system has
detected a consistent temperature dierence
between the sensors of 3°F or more. Contact your
spa dealer for service.
Sensor A/B Fault - M031/M032
Either temperature sensor A, B, or both have failed
due to a circuit failure. Call your spa dealer for
service.
Communications Error
The control panel is not receiving communications
from the control system, call your spa dealer for
service.
Test software installed
The control system is operating with test software.
Contact your spa dealer for service or to reformat
the unit.
Settings have been reset - M021
Contact of spa dealer if this message appears on
more than one power up. This could be an internal
memory issue.
The clock has failed - M020
The internal clock in your control system has
failed. Contact your spa dealer for service.
GFCI Test has failed - M036
Indicates the failure of an automated GFCI self
test. This highlights a possible issue with your spas
GFCI electrical circuit.
A pump may be stuck on M034
Indicates the failure of an automated GFCI self
test. This highlights a possible issue with your spas
GFCI electrical circuit.
Hot fault - M035
A pump is possibly in a stuck on position when
the spa was last powered on. Meaning the electri-
cal switch controlling the pump is stuck in the on
position, ignoring the switch o command. DO
NOT ENTER THE SPA, DO NOT ENTER THE WATER.
Contact your spa dealer for service.