www.stiebel-eltron.com WPC | WPC cool | 45
INSTALLATION
Troubleshooting
Fault display Cause Remedy
TO MFG Timeout MFG Check the communication cable terminal or replace the com-
munication cable.
ERR BH MFG The electric emergency/booster heater in the MFG is faulty. Check the communication cable terminal or replace the com-
munication cable.
ERR PU SOL MFG Error brine pump MFG. Check the communication cable terminal or replace the com-
munication cable.
ERR VALVE MFG Error 3-way diverter valve MFG. Check the communication cable terminal or replace the com-
munication cable.
ERR PU HC MFG Error heating circuit pump MFG. Check the communication cable terminal or replace the com-
munication cable.