SIMPA NS11RM - Maintenance and Troubleshooting; Appliance Care and Routine Maintenance; Fault Diagnosis and Resolution

16
Maintenance
1) Never use solvents to clean the body of water heater. Please wipe the surface with a soft, damp cloth, then
dry with a soft cloth.
2) If the water flow at the shower is reduced, the shower head may be blocked. Check and clean if necessary.
3) It is necessary for the appliance to be inspected and maintained regularly so that it can be used safely and
efficient
ly.
Trouble Shooting
The safety device will check the operations of the water heater continuously. If a fault occurs, a fault code will
flash on the display screen of the control. This assists with diagnosing the fault, and may enable you to
overcome a problem without a service call. Please quote the code displayed when enquiring about service.
In some cases, fault code may clear when closing and re-opening the hot water tap. If the fault code does not clear,
turn off power supply and wait for 10 seconds. Then, turn on the water heater again. If the fault code still persist, please
contact Towngas Customer Service Hotline on 2880 6988.
In cold and humid weather, cloudy mist may occasionally vent from the flue terminal. The white smoke is the
condensate of water vapour in flue gases. It is a normal phenomenon.
60min. continuous combustion Close the hot water tap, turn off the ON/OFF button and turn on operation again.
Ignition failure Turn off the ON/OFF button, and then check whether the gas valve is opened and the
gas supply is not interrupted. If gas supply is normal, press ON/OFF button to switch on
water heater. If there is no fault code display when the hot water tap is opened and
closed several times (wait for 10 seconds for each interval), then the unit is operating
normally. If the fault code still persist, contact Service Hotline.
Flame failure device activates
Heat exchanger overheat
protection device activates
Over boiling thermister
activates
Disconnection or short circuit
of the inlet water thermister
Disconnection or short circuit
of the hot water thermister
01
11
12
14
16
31
32
Trouble with the operation of
the combustion fan motor
Trouble with an electrical unit
Trouble with an electrical unit
Trouble with an electrical unit
Trouble with an electrical unit
Trouble with the combustion
61
71
72
73
760
90
Fault
Code
Details of Failure Remedy
Contact Service Hotline.
Contact Service Hotline.
Contact Service Hotline.
Contact Service Hotline.
Contact Service Hotline.
Contact Service Hotline.
Contact Service Hotline.
Contact Service Hotline.
Contact Service Hotline.
Contact Service Hotline.
Contact Service Hotline.