Troubleshooting Guide

STEP 3
VERIFYING SAFETY THERMOSTATS
THE FOLLOWING STEP WILL VERIFY POWER IS GOING THROUGH THE
SAFETY THERMOSTATS.
IF A THERMOSTAT IS DAMAGED THE HEATING ELEMENT WILL NOT
FUNCTION OR HEAT UP.
TO VERIFY THE THERMOSTATS YOU NEED TO HAVE THE BREAKERS TURNED
ON. YOU WILL PERFORM THIS TEST WITH YOUR VOLT METER.
THIS TEST WILL VERIFY THAT ELECTRICAL POWER IS GOING TO THE
BOTTOM AND ACROSS THE THERMOSTAT.
USING YOUR VOLT METER YOU NEED TO PLACE ONE PROBE AT THE BOT-
TOM METAL PART OF THE THERMOSTAT AND THE OTHER PROBE NEEDS
TO BE GROUNDED.
THEN PERFORM THE SAME TEST ON THE TOP PART OF THE THERMOSTAT.
ALL READING ON THIS TEST SHOULD BE IN THE 110-115V RANGE. THIS
TEST MUST BE PERFORMED ON ALL THERMOSTATS, ONE BY ONE.
AGAIN, YOU MEASURE VOLTAGE GOING INTO BOTTOM OF THERMOSTAT
TO GROUND AND THEN THE TOP PART OF SAME THERMOSTAT TO GROUND
TO ENSURE THE THERMOSTAT IS IN GOOD WORKING CONDITION.
STEP 4-A
VERIFYING HEATING ELEMENTS
THE FOLLOWING STEP WILL VERIFY THE HEATING ELEMENTS ARE WORKING
CORRECTLY.
THE HEATING ELEMENTS WILL ONLY DRAW VOLTAGE WHEN HOT WATER
IS BEING USED AND ONLY THE VOLTAGE THAT IT NEEDS BASED ON WHERE
YOU HAVE YOUR DIGITAL TEMPERATURE SETTING.
WHEN HOT WATER IS DEMANDED THE ELEMENTS WILL INSTANTLY DRAW
VOLTAGE. THE HEATING ELEMENTS WORK IN SERIES WHICH MEANS THAT
THE FIRST ELEMENT LOCATED ON THE INLET SIDE OF THE UNIT WILL BE
THE FIRST ONE TO DRAW POWER, THEN THE MIDDLE ONE AND FINALLY
THE ONE ON THE OUTLET SIDE.
IN ORDER FOR THE SECOND ELEMENT TO DRAW POWER THE FIRST ELE-
MENT MUST BE DRAWING 100% CAPACITY. AND FOR THE THIRD TO DRAW
THE SECOND MUST BE DRAWING 100% CAPACITY.
THERE ARE TWO RED WIRES CONNECTED TO THE TOP OF THE ELEMENT.
IN ORDER TO CHECK IF THE ELEMENT IS WORKING YOU MUST TURN ON
A HOT WATER TAP. WE SUGGEST THAT YOU RUN THE TUB OR A SHOWER
AND SINK. THIS WAY ALL ELEMENTS WILL DRAW VOLTAGE AND CAN BE
CHECKED.
ONCE YOU HAVE WATER RUNNING THROUGH THE UNIT THE LED DISPLAY
WILL LIGHT UP AND DISPLAY THE TEMPERATURE SETTING ON THE UNIT.
USING YOUR VOLT METER-PLACE ONE PROBE ON ONE SCREW AND THE
OTHER PROBE ON THE OTHER SCREW LOCATED ON THE TOP OF THE
ELEMENT. CHECK WHAT VOLTAGE YOU ARE DRAWING. YOU NEED TO START
ON THE FIRST ELEMENT (FARTHEST RIGHT WHEN FACING UNIT) SINCE
THE ELEMENTS ACTIVATE IN SERIES).