Richmar HydraTherm - Troubleshooting; Heating Mode Troubleshooting

TROUBLESHOOTING
OPERATION: HEATING MODE
PROBLEM POSSIBLE CAUSE POSSIBLE SOLUTION
Device fails to power
ON. The Power
Indication Lamp does
not illuminate.
Mains Fuse(s) open Check MAINS fuse(s) with OHM
Meter for continuity. Replace if
open.
Facility outlet not powered Check facility outlet for proper
operation
Faulty Power Cord Replace Power Cord
Faulty Power Switch Replace Power Switch
Digital Thermostat
Controller display does
not illuminate. Device
Power Indication Lamp
illuminates.
HEAT / DRAIN Switch in
DRAIN MODE
Move switch to the HEAT
position
24VAC Low Voltage Fuse
open
Check Low Voltage Fuse with
OHM Meter for continuity.
Replace if needed.
Defective Digital
Thermostat Control
Replace Digital Thermostat
Control
Device Power Indication
Lamp does not
illuminate but the Digital
Thermostat Controller
display is illuminated.
Faulty Power Indication
Lamp
Replace Power Indication Lamp
Device does not
heat. Both the Power
Indication Lamp and
Digital Thermostat
Controller display
illuminates.
If LOW WATER status is
illuminated on the Digital
Thermostat Controller
Display:
1. Was HydraTherm filled
with Distilled water?
2. Possible dirty and/
or contamination
on temperature
sensor housing.
1. If YES, add tap water until
sensor detects water. Several
cups may be needed.
If NO or LOW WATER
indication is still illuminated,
proceed to Solution #2.
2. Clean the temperature
sensor element located
in bottom of tub on
left hand side.
Faulty Digital Thermostat Replace Digital Thermostat
Control
Faulty Heating Element Replace Heating Element
Faulty Heating Element
Power Contactor/Relay
Replace Heating Element Power
Contactor/Relay
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