Whirlpool WVIID1158BKG Service Manual page 4

Water temperature sensor failure EC2
15)
The digital tube displays the fault code "EC2"
• First check whether the connection between the main control board and the water temperature
sensor is good
• Replace the heating tube or the computer main control board to test whether the function is
normal
16) Heating pipe failure E6C or E7C
The digital tube displays the fault code "E6C" or "E7C"
• First check whether the connection between the main control board and the heating tube is
good，Measure whether the heating tube resistance is in the normal range
• Replace the heating tube to test whether the function is normal
17) Door lock failure U4
The digital tube displays the fault code "U4"
• First check whether the connection between the main control board and the door lock is good
Is the door sensor in the normal position
• Replace the door lock to test whether the function is normal
18) High temperature alarm H
Digital tube display code "H"
• The temperature in the barrel is too high and the lid cannot be opened for safety，please wait
patiently。