Problem Probable Cause Remedy
Heater will not start Control wired incorrectl
High temperature control has tripped
Thermostat off or set below room temperature
Timer off Turn timer clockwise
No Power
Call for assistance.
Call service person.
Sauna not hot enough Temperature not set high enough Set thermostat higher-
Thermostat sensor not positioned properly
Thermostat miscalibrated Recalibrate or replace
Replace element
High Limit tripped Reset. (See above)
High Limit defective Replace high limit
Thermostat broken or miscalibrated Recalibrate or replace
High Limit defective Replace high limit
Sauna too hot Sensor not properly positioned
Thermostat broken or miscalibrated Recalibrate or replace
Breaker trips frequently G.F.C.I. breaker was used Replace with standard breaker
Breaker to small for heater installed Replace with properly rated breaker
Short circuit or ground in wiring Call service person.
Note: Except where noted otherwise, reference to control refers to TPT3 mechanical control
Sauna on, but no real heat.
Elements are not glowing red.
Sauna has been wired at 120 volt. (Note:two 120
volt lines does not make 240 volt.
SAUNA TROUBLE SHOOTING
Using pencil or other non-condutive material, carefully
push in "reset" button at front bottom of heater
Turn thermostat clockwise. Saunas are generally set
to between
Faulty magnetic contactor (applies only to
heaters 7.5 kw & larger)
Check wiring diagram carefully to ensure control
circuit is wired correctly
Too many rocks or rocks packed too
tightly, trapping heat inside.
(very common)
Leave one side of rock tray free of rocks. Rocks
should be stacked so that air can pass through.
(Public) Sauna being tampered with by
users; i.e splashing water or placing wet
towel on thermostat sensor bulb
Close sauna to public use. Run heater for 2-3 three
hours. If sauna does not trip, this suggests the
problem is user tampering.
One or more elements burned out
Call qualified service person. Using meter, confirm there
is 240 across line 1 and line 2.
High Limit trips frequently
Pilot light on. No Heat
Turn on breaker. If on, it may be faulty or installed
incorrectly. Call for service.
Reposition sensor or lower thermostat setting to
compensate.
One or more elements not
glowing red
