11
Instruc
tions f
or user - 9120-34313 - DEX - 801047 - No
v
ember 2012 v1.00
Problem
Cause
Solution
Water stays cold
Digital display does not light up
Circuit breaker tripped
Reset circuit breaker
STCO tripped
Contact Zip Service to reset STCO
Display fl ashes error
message ‘ER’
Control system has switched off
Switch power supply off and on. If ‘ER’ still fl ashes
contact Zip Service
Poor hot water fl ow rate
Outlet fi tting dirty or
calcifi ed
Clean shower head or tap nozzle
Fine fi lter dirty or calcifi ed
Contact Zip Service to clean fi ne fi lter
Selected temperature not achieved
Decimal point fl ashes
Excessive water fl ow rate
Reduce water fl ow rate at the outlet
Selected temperature not achieved
Decimal point does not fl ash
Cold water has been added at the outlet
Set for required
temperature and tap hot water only
Decimal point fl ashes
Inlet temperature exceeding set point
Reduce inlet temperature
No response to key press
Appliance cover not fi tted correctly
Contact Zip Service
11. Fault finding
Repairs should only be carried out by qualifi ed tradespersons familiar with electric instantaneous water heaters.
All service work should be performed by an authorized Zip service technician – for details of the full range of services available call Zip
Service on 1800 460 222.
When calling for service, please always specify the appliance model and serial number.
The following table will be helpful in determining the causes of some common problems and their solutions.
