Question 1

Error 1 bar: No flame detected

Accepted Answer

Possible cause: Empty gas bottle or blockage in the gas line, or low temperatures affecting gas vaporization.. Confirm the gas bottle has gas in it and the gas line isn't blocked. Below 5°C, switch to propane rather than butane, then clear the lockout by cycling the DC power at the master switch (or pressing the Water Heater's red Reset Button if that doesn't clear it).

Question 2

Error 2 bars: Overheat

Accepted Answer

Possible cause: Insufficient water in the appliance causing an overheat condition.. Make sure there's water in the appliance, then give the Water Heater at least 5-10 minutes to cool down before clearing the lockout.

Question 3

Error 3 bars: Low/High Supply Voltage

Accepted Answer

Possible cause: Supply voltage outside the normal operating range (minimum operating voltage is 11.5V when high electric setting is used, maximum is 15V).. Measure the battery voltage - if it reads between 11.5V and 15V DC, check the wiring between the Water Heater and the battery, and check the alternator or any external charger. Then clear the lockout by cycling the DC power off and back on.

Question 4

Error 5 bars: Other / Internal Fault

Accepted Answer

Possible cause: Internal water heater malfunction or communication fault.. Try clearing the lockout by cycling the DC power off and back on. If that doesn't work, ring Whale's support line on +44 (0)345 9090 911.

Question 5

Error 12 bars: General Fault

Accepted Answer

Possible cause: Either two faults occurred simultaneously, or at least five attempts to clear the lockout have failed.. Clear the lockout with a single press of the Water Heater's red Reset Button.

Whale WC0802B

Technical Specifications

Master Troubleshooting & Diagnostics Matrix

Frequently Asked Questions

Q: Does Whale make a thermostatic mixing valve?

Also Fitted In

Error Code / Indicator	Symptom / Meaning	Possible Cause	Step-by-Step DIY Fix	Suggested Actions
`1 bar`	No flame detected	Empty gas bottle or blockage in the gas line, or low temperatures affecting gas vaporization.	Confirm the gas bottle has gas in it and the gas line isn't blocked. Below 5°C, switch to propane rather than butane, then clear the lockout by cycling the DC power at the master switch (or pressing the Water Heater's red Reset Button if that doesn't clear it).	DIY Safe
`2 bars`	Overheat	Insufficient water in the appliance causing an overheat condition.	Make sure there's water in the appliance, then give the Water Heater at least 5-10 minutes to cool down before clearing the lockout.	DIY Safe
`3 bars`	Low/High Supply Voltage	Supply voltage outside the normal operating range (minimum operating voltage is 11.5V when high electric setting is used, maximum is 15V).	Measure the battery voltage - if it reads between 11.5V and 15V DC, check the wiring between the Water Heater and the battery, and check the alternator or any external charger. Then clear the lockout by cycling the DC power off and back on.	DIY Safe
`5 bars`	Other / Internal Fault	Internal water heater malfunction or communication fault.	Try clearing the lockout by cycling the DC power off and back on. If that doesn't work, ring Whale's support line on +44 (0)345 9090 911.	DIY Check / Tech Fallback
`12 bars`	General Fault	Either two faults occurred simultaneously, or at least five attempts to clear the lockout have failed.	Clear the lockout with a single press of the Water Heater's red Reset Button.	DIY Safe