SR501 EN Operation Manual
- 14 -
4.1 Signals on display and function code
LCD display screen
Code
Description
Code/Signal Lighting
Code/Signal Blink
Constant
Temperature
Thermostat heating
Function is activated
Function is
running
OTDI
Thermal
disinfection
function (check under
menu inquiry)
Countdown of
disinfection function
working
(
DDIS
)
OTF
Timer
(
check under
menu inquiry
)
Temperature
controlled
pipe
heating belt
Function is activated
Function is
running
Time controlled pipe
heating belt
Function is activated
Function is
running
Timing
heating
function
Function is activated
Function is
running
Temperature
controlled DHW within
3 time - sections
Function is activated
Function is
running
Water flow controlled
DHW within 3 time -
sections
Function is activated
Function is
running
Automatic
thermostat
Function is activated
Function is
running
Anti-freezing
protection(
check
under menu inquiry)
Function is activated
Function is
running
Manual function
Fault alarm of sensor of temperature and water level