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Model reference

Bosch GWH715CTDREFS

Water Heater

1 document4 error codes2 service modes

Available documentation

Service Manual

  • GWH 715 ES Temperature Modulated with Electronic Ignition Service Manual56 pg
    Covers this model
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Error codes (4)

CodeMeaning
A7Appliance selection on P7 mode is not correct.E9Over-temperature detected by outlet temperature sensor on hot water pipe…EANo flame ionization detected with water flow.ECIonization error at standby.

Service modes (2)

  • Diagnostic Mode (P4)["Turn on/off switch on water heater to off (O) position.","Press and hold the Program button while…
  • Program / Service Mode (P-modes)["Press ON/OFF button into OFF.","Press and hold the Program button while pressing the ON/OFF…

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