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 Error Code: E2 - Room Temperature Sensor Failure

When this error code appears it means there is a problem with the room temperature sensor....

 Error Code: E3 - Coil Sensor Failure

When this error code appears it means there is a problem with the coil sensor. You'll need to...

 Error Code: E4 - Units Abnormality Protection

When this error code appears it means there is a problem with the hose pipe - the heat is being...

 Error Code: E5 - Water Level Over the Limits

When this error code appears it means there is a problem with the water level.  You'll need to...