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Hot Tub Control System Error Codes

 

Spa Control System Error Codes

There are many brands and models of spa control systems on the market. The majority have used or do use either the same or similar error codes for a similar symptom. Rather than list error codes under equipment or spa brands, we have decided to list them alphabetically and numerically for ease of identification.

In most cases you should either contact us for further diagnostics, or contact a local qualified spa service technician to resolve your problem quickly and accurately.

The following codes cover brands such as: Gecko Electronics, Balboa Instruments, Hurricane, Sundance Spas, Hercules, Brett Aqualine, Splash Pool Accessories, Vita, Spaquip, Ampac, Onga, Dimension One, Sweetwater, and many more.

There are many other error and operational codes not listed here - please contact us if you need further info or data, or if you error codes that we can add.


Causes of the common following fault codes

(most common fault) - Dirty filters (the most common cause), blockage, switch failure, low water level, pump failure, broken wire

Flow/Pressure Switch Closed Circuit - Switch failure, switch adjustment required, debris in switch, splashed /leaking water shorting connectors

Hi-Limit Fault - Dirty filters, low flow, low water level, blockage, sensor fault, water entry to sensor or connector

Temperature Sensor Fault - Sensor fault, pump heat interference, water entry to sensor or connector/corrosion

Over Heat Fault - Same as sensor fault - sensor reads extremely high temperature 45C-48C. Spa usually shuts down

 

Error Code

Description

BJ2P

Hi-Limit - water temp too high

C4.4

Hi- Limit

Cd, CLd

Freeze Condition

CE 01

Stuck Touchpad button

CE 02

No controller Data Communication

CE 03

Temperature sensor fault

CE 04

Water Sensor/Pressure switch fault

CE 05

Over Temperature Condition

CE 06

High Limit manual reset Klixon tripped

CE 07

Stuck Relay

 

CE 08

Temp Sensor Fault -( Spaquip Digital 2000 MK1 sensor)

CE 09

Water Prime Fault - Lack of water

CoLd

spa heater temp below 40F

Cool, COOL, COL

Water is 11C below set point - not a fault

DR, dr, dy, DRY

Heater dry - insufficient water fault

Er0, Er1

Temperature sensor faulty

Er2, Er3

Hi-Limit fault

Er4

Flow/Pressure switch short circuit

Error 3 - Spaquip

Stuck touchpad button

Error 4

Water sensor fault

Error 5

Over temperature

Error 6

Klixon Tripped - over temp

Error 7

Stuck Relay

Error 8

Temperature sensor fault

Err

Software Program Fault

E###

pH probe out of calibration

E0

Short circuit temperature sensor

E1

Open circuit temperature sensor

E2

short circuit/closed high limit sensor

E3

Open circuit high limit sensor

E4

Short circuit/closed pressure/flow switch

E7

Improper electrical connection

 

FLO, Flo, FL1

Flow/pressure switch open circuit - lack of flow or pressure or for Sundance/Spa Builders/Balboa - Flow switch is closed circuit

 

FLC, FL2

Flow/pressure switch closed circuit - debris in switch, perforated diaphragm, faulty

FL

Pressure/flow switch failure

 

FLO (flashing)

Flow switch open circuit - Sundance/Spa Builders/ Balboa

FrE, Fr, FP

Freeze Condition

HiLi, HLEr

Water temperature above acceptable range

 

HL, HFL, HH, OHH

High limit sensor reading 45-48C, or above - check flow

Hold

Panel buttons pressed too many times too quickly

HOT

PCB thermistor above 82C

HP

Electronic controller error

H2O

Water Prime Fault - lack of water

ICE, IC

Freeze Condition

 

ILOC

Interlock failure, also caused by faulty ozonators, pumps and equipment

LEH

Temperature Sensor Fault

LF

Low Flow Fault

LO

Freeze Condition

LOC

Control Panel functions Locked

 

LS=0, LS=S

Multiple causes - open circuit sensor, faulty panel connection, improper voltage, etc

L1

Panel Lock

L2

Panel Lock

OH, OHS, oH

Overheat Condition 43-45C

OP

Open circuit sensor

P

Power overload excess current draw

pd, Pd

Running on battery - power supply interrupted

 

PLUG

Sundance/Spa Builders Service Technician's Test Plug accidentally left connected to PCB

 

PnL, Pnl

Communication disrupted between touchpad and

PCB

Pr

System Priming - not a fault

Prh

High limit sensor fault

Prr

Temperature sensor fault

PS

Flow/Pressure switch failure

 

PSoC, PSoL, PSoH

Pressure switch open circuit with Circulating, Low

Speed, or High speed pumps

SA, SnA, SnH, Sb, Snb, Snt

Sensor Open Circuit or faulty - SnH - Hi Limit, SnT - Temp sensor

SEoP

Sensor Open Circuit

SESH

Sensor Short Circuit

SH

Short circuit sensor

Sn, SnS

Sensors out of balance

Sn1

High Limit sensor fault

Sn2, Sn3

Temperature sensor fault

 

SS=0, SS=S

Multiple causes - open circuit sensor, faulty panel connection, improper voltage, etc.

ToE

Time Out Error

0.0 or 56

Open/Closed circuit faulty temperature sensor

000

Programming Error

 

Or ** (2.5-9)

Over Range beyond permissible temperature – Programming Error

- 01

Hi-Limit

- 02

Temp sensor fault

- 03

Flow/pressure switch open

- 04

Flow/Pressure switch closed

- 07

Hi-limit

131

Hi-limit

 

- -

Temperature unknown - displayed at power up for 2 minutes - not a fault

 

- - - - , - - -

Sundance/Spa Builders - 'Watchdog' - 48C reached, electronic fault, shuts system down. Major Fault

* * * (3 flashing dots under temp display)

 

Flow/Pressure switch either Open or Closed Circuit

* * * (as above, plus illuminated red LED on PCB)

 

High Limit Fault

 

 

Flashing Light

Errors

 

Description

3 flashing dots

Flow Error FLO or FLC

3 flashing dots and PCB

Same as OH

LED illuminated

 

1 flash - 3 second gap

High Limit fault

2 flashes - 3 second gap

Pressure/Flow switch short circuit

3 flashes - 3 second gap

Pressure/Flow switch open circuit

4 flashes - 3 second gap

Open circuit Sensor(s)

Flash - 1 second on, 1 second off

 

Same as OH

Flash - briefly OFF once per second

 

Same as Sn1 or Sn3

Flash - briefly ON once per second

 

Same as FLC

Blinking Power Indicator

Light - Hydromate

 

High Limit tripped or, sensor fault

1 flash per second - onga

4352, 53, 95, etc

Pressure switch open circuit - could also be motor, or motor thermal overload

3 flashes per second - onga 4352, 53, 95, etc

Electronic fault – element sensor (most common cause) or PCB

Green flashes - Spaquip

Pulsar/2095 series

 

Water sensor fault - lack of water

Red/Green alternate flashes

Temperature sensor fault, open circuit, or high limit tripped - push Reset Rod

 

Please note all Hot tub Parts sold are UK Spec, which means designed for 230 V at 50Hz

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