PDC spas Owner's Manual - Water Chemistry Basics; Importance of Water Chemistry; Basic Water Care Concepts; Sanitation Methods (Ozone, Chlorine;Bromine)

Operang System, LifeStyle Series | Accent™ Control
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Heater may be Dry (dr)* – M028
Possible dry heater, or not enough water in the heater to start it. The spa is shut down for 15 min. Press any buon to reset the
heater start-up. See “Flow Related Checks” below.
Heater is Dry* – M027
There is not enough water in the heater to start it. The spa is shut down. Aer the problem has been resolved, you must press any
buon to reset and restart heater start up. See “Flow Related Checks” below.
Heater is too Hot (OHH)* – M030
One of the water temp sensors has detected 118°f (47.8°C) in the heater and the spa is shut down. You must clear the message
when water is below 108°f (42.2°C). See “Flow Related Checks” below.
A Reset Message may appear with other Messages
Some errors may require power to be removed and restored.
Flow-Related Checks
Check for low water level, sucon flow restricons, closed valves, trapped air, too many closed jets and pump prime. On some
systems, even when spa is shut down by an error condion, some equipment may occasionally turn on to connue monitoring
temperature or if freeze protecon is needed.
Sensor-Related
Sensors Balance is Poor – M015
The temperature sensors MAY be out of sync by 2°F or 3°F. Call for Service.
Sensors Balance is Poor* – 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, Sensor B Fault – Sensor A: M031, Sensor B: M032
A temperature sensor or sensor circuit has failed. Call for Service.