Specifications

11
F) Accessing ‘Service menu’
The service menu has seven modes to select from (refer to „Timer Functions‟ on
page 7). This function allows easy identification of problems occurring with the unit
by the service technicians (see details on the table below for Product error codes).
Each mode is accessed as follows:
Select Appropriate Service Mode
i Error Codes
ii Boiling Temp
iii Calib Reset
iv Temp. Override
v Software Version
vi Temp Show ON/OFF
vii TB Treq
Product Error Codes
i) Accessing Error Codes
1. Press and release the (P) button until „Service‟ is displayed on the screen.
2. Press and release the (✓) button to confirm selection. „Error Codes‟ will be
displayed on the screen.
3. Press and release the (X) or (✓) button to revert back to the main menu.
Note: An error code will be automatically cleared from the display when the fault
relating to that error code is rectified and the BWU is re-powered. Refer to
the error code table below for error codes and their meaning.
Error Code Table
ERROR
CODE
ERROR
CODE
Hot Thermistor Fault O/C- S/C
A*
High Level Probe Fault
J
Heating Triac S/C – Uncontrolled
Temperature Rise
C*
Water Heating Fault –
Element Not Heating
L
Expired Filter
E
Watch Dog Software
Reboot
M
Calibration Time Out
G
Rapid Temperature Rise –
Empty Tank
N
Low Level Probe Fault
H