Worcester Bosch A7: what it means and when to call a pro · United States
Severity: Stop and call a proWorcester Bosch gas boiler error A7. The hot water temperature sensor is faulty or disconnected.
Smell gas? Leave the building and call the gas emergency number: 911
Meaning
The hot water temperature sensor is faulty or disconnected.
Severity
Stop and call a pro
Stop. Switch it off and call a pro
Steps are not shown for this code because no qualified person has reviewed them yet. What is safe: switch it off, follow the Do not list and call a pro.
Source
GREENSTAR HIGHFLOW 440CDi & 550CDi, Worcester, Bosch Group
The repair: Boiler temperature sensor replacement
Prices for repairs in United States are in USD.
Other Worcester Bosch codes
- Worcester Bosch C6 The fan is faulty or is not reaching the correct speed.
- Worcester Bosch E2 A flow or return temperature sensor is faulty or disconnected.
- Worcester Bosch E9 The boiler overheated and the safety thermostat cut it out.
- Worcester Bosch EA The flame went out during operation, or the flame sensor signal is faulty.
- Worcester Bosch 6A The boiler failed to ignite (no flame was detected) and has locked out.
Brands in our catalog for gas boiler: Ariston, Baxi, Bosch, Ferroli, Ideal, Potterton, Vaillant, Viessmann, Worcester Bosch. The same code on another brand is not in the catalog yet, and we do not guess what it means.