Worcester Greenstar i System ErP Series User Manual

Fault finding and diagnosis
Greenstar i System
ErP
- 6 720 806 945 (2015/07)
65
8.1.1 Maintenance Menu
Display text
Cause
code
Description Possible cause/check
No service request H-- No maintenance request messages available. There are no more maintenance messages available
Planned maintenance required H03 The number of operating hours set for service
interval has expired.
• This will appear on the appliance display
screen.
• Can also be accessed in the maintenance
menu.
This message will only be available if burner hours
service option has been enabled in intelligent
controller.
▶ Reset maintenance message, (press reset button).
▶ Carry out a service and reset the service reminder.
burner hours set h03 The number of operating hours set for service
interval has not been reached at the time the
maintenance menu messages are accessed.
This message will only be available if burner hours
service option has been enabled in intelligent
controller.
▶ Reset maintenance message, press reset button.
▶ If a service has been carried out at visit, reset the
service reminder.
H08 The set interview date has expired.
Maintenance required.
• This will appear on the appliance display
screen.
• Can also be accessed in the maintenance
menu.
This message will only be available if burner hours
service option has been enabled in intelligent
controller.
▶ Reset maintenance message, (press reset button).
▶ Carry out a service and reset the service reminder.
Service date set h08 Confirmation of service date. This message will only be available if burner hours
service option has been enabled in intelligent
controller.
▶ Reset maintenance message, (press reset button).
Pump communications error H09 Communications to the pump has failed. ▶ Check:
– Electrical connections are fitted correctly.
– Correct pump has been fitted.
– Once checked, re power the appliance for test
of communications.
Defective storage sensor H12 Storage sensor cylinder sensor. ▶ Check:
– Sensor harness and connector.
– Operation, replace if necessary.
H13 The maximum maintenance interval set (in
months), has exceeded or after the appliance
has been placed into commissioning mode.
• This will appear on the appliance display
screen.
• Can also be accessed in the maintenance
menu.
▶ Reset maintenance message, (press reset button).
▶ Carry out a service and reset the service reminder.
– Service reminder is set in boiler setting 2.5F
( section 6.5.13, page 45).
– Service reminder function details
( section 6.5.10, page 44).
Number of months set h13 The maximum maintenance interval set (in
months), has not been reached or after the
appliance has been placed into commissioning
mode.
▶ Reset maintenance message, (press reset button).
▶ If a service has been carried out at visit, reset the
service reminder.
– Service reminder is set in boiler setting 2.5F
( section 6.5.13, page 45).
– Service reminder function details
( section 6.5.10, page 44).
H29 Outdoor sensor defect (available when
accessory outdoor sensor is connected)
▶Check:
– Sensor harness and connector.
– Operation, replace if necessary.
Table 48

Worcester Greenstar i System ErP Series Specifications

General

Brand	Worcester
Model	Greenstar i System ErP Series
Category	Boiler
Language	English