Troubleshooting Tools; Measuring Voltage And Resistance - Rheem Iconic RTGH-S11i Training And Service Manual

TROUBLESHOOTING TOOLS

SAFETY FIRST
Your safety and safety of others is very impor-
tant. This manual is only intended for qualified
service technicians. ALWAYS USE CAUTION
while testing voltages and/or gas supply.
MULTI-METER
Used to measure
Resistance and
voltage.

MEASURING VOLTAGE AND RESISTANCE

WARNING
!
WHILE MEASURING VOLTAGE, DO NOT cross/touch
multi meter leads together. This will cause damage to
electrical components.
WHEN INSERTING LEADS INTO WIRING CONNEC-
TOR insert on the wiring side to prevent damage to
connector.
BEFORE MEASURING RESISTANCE, TURN OFF all
electrical power and make sure to REMOVE CONNEC-
TOR from the circuit (control board). Check resistance
on connector that was removed.
WHEN MEASURING VOLTAGE, DO NOT REMOVE
CONNECTOR; insert multimeter leads prior to operat-
ing unit.
5
MULTI-METER
NEEDLE SET
Used on meter test leads
to access connectors while
measuring Resistance &
Voltage.
IKONIC Tankless Water Heater Service Manual
MANOMETER
Used to measure
gas pressure
during standby
and operation.
WHEN MEASURING DC VOLTAGE, if the meter dis-
plays the dash ( (------) swap the position of your black
and red leads on the connector.
! WARNING: DO NOT touch any grounding
areas.