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TROUBLESHOOTING
Should you experience any problem, do not hesitate to contact your authorized HOT SPRING dealer. Here are some tips to help you to diagnose and rectify
some more common sources of trouble yourself, if you choose to do so.
GENERAL OPERATION TROUBLESHOOTING GUIDE
Problem Probable causes Solutions
Entire spa is inoperative
• Power failure
• GFCI tripped
• Heater high-limit thermostat tripped
• Spa lock activated
• Check power source
• Reset GFCI; call for service if it will not reset
• Disconnect power for at least thirty seconds to reset heater high limit. If it will not reset,
check for clogged filters. If tripping continues, call for service.
• Deactivate spa lock
Spa does not heat; jets and light
operate
• Integrated pressure switch open
• Circulation pump thermal cut-off tripped
• Check for clogged filters. Integrated pressure switch will reset when the flow of water
through the heater has been restored. Call for service if the heater trips frequently.
• Check for clogged filters or air locks in plumbing. Disconnect power to the spa, allow
circulation pump to cool. Circulation pump thermal cut-off will reset when pump has cooled
and power is reapplied. Call for service if circulation pump thermal cut-off trips frequently.
Jets weak or surging
• Spa water level too low
• Filters clogged
• COMFORT CONTROL lever closed
• Add water
• Clean filters
• Open COMFORT CONTROL lever
Light inoperative
• Spa lock activated
• Light wiring or assembly is faulty
• Deactivate spa lock
• Replace light assembly
Ready indicator icon is flashing
• Temperature sensor problem
• Disconnect power for at least thirty seconds. If blinking continues, call for service.
LOGO LIGHT TROUBLESHOOTING GUIDE
ALERT POWER READY STATUS SPA STATE / ACTION LCD Message
Spa is Ready Blue On Green On Green On Temperature within +/- 2 degrees F, Heater Available, Salt
System Functioning*
Spa is not Ready Blue On OFF Green On Temperature not within +/- 2, Heater Available, Salt System
Functioning*
Check Salt System Blue On Green On/Off Yellow On Salt System reminders. Salt System remains functioning* (On Salt Screen)
Salt System Alerts-
Offline
Blue On Green On/Off Yellow Flash Salt System Fault or Offline/Not Functioning (Low/High salt,
Salt System Fault)*
(On Salt screen)
No Flow Fault
Pressure Sw Error
Blue On Green On/Off Yellow
Flash
Heater off – Control Panel => Check and Clean Filter, =>
Call for Service if necessary
E2: NO FLOW-
CHECK FILTER
Cool Zone Fault-
Heat Only
Blue On Green On/Off Yellow
Flash
Cool Zone detected, but reporting internal fault. Spa uses
own heater only*
=> Call for Service
E4:
PERIPHERAL
FAULT
Accessories Fault Blue On Green On/Off Yellow
Flash
Accessories power off, fault detected. No Salt System, no
music, no lights => Call for Service
E11-16: COOL
ZONE OFFLINE
Protection Mode Red
FLASH
Red
FLASH
Red
FLASH
High Limit fault, heater relay fault, internal fault detected
(Heater, Jets off, Circulation on) => Call for Service
(Protection Mode
Screen)
Control Sensor Fault Blue On OFFff Red FLASH Heater off => Call for Service E5: SENSOR
FAULT
Heater Power Fault OFF Green On/Off Yellow Flash Heater off- No power detected => Call for Service E6: NO HEATER
PWR
Logo Comm Fault White White White
If Logo communication error. Spa status not known! Call
for Service
Power Up
Red Red Red
Steps thru Red-Green-Blue-White color sequence at power
up.
Green Green Green
Blue Blue Blue
White White White
*Status shown only if accessory is installed
Service Information
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