4. Test Mode & Error Check
4-2. Diagnostic Code & Corrective Action
NO
Error
Code
Description
Corrective Action
13
Sr
System Relay (Main Relay) Failure. (PCB does not
notice the relay operation when there should be.)
Replace PCB.
14
Hr
Heater Relay Failure (No Heater Relay Check Signal)
Replace PCB
15
nF1
The hot/cold water hose connection is not correct.
Please connect the hot/cold water hose connection
correctly.
43