CETP 4.6 ADVANCED PROPANE
APPLIANCE SERVICE &
TROUBLESHOOTING QUESTIONS AND
ANSWERS LATEST UPDATED 2026/2027
Question 1
The primary difference between basic and advanced appliances is in the type
of ignition system and the use of _________________.
Answer: Advanced electronics
Question 2
Basic appliances include those with standing pilot __________________.
Answer: Ignition systems
Question 3
Advanced propane appliances are more complex and include advanced
controls and complex electronic ignition systems. Most of the components
connect to a ______________ which controls electrical flow.
Answer: Circuit board
Question 4
What are common examples of advanced propane appliances?
Answer:
o Tankless / on-demand water heaters
o Advanced furnaces, boilers, and water heaters with electronic ignition
systems
o Commercial cooking appliances with electronic ignition systems
Question 5
A gas control valve delivers gas to the burners when it receives power from
the _____________________.
Answer: Integrated furnace control (IFC)
Question 6
Often the power to the appliance must be on during troubleshooting to
measure ________.
Answer: Voltage
Question 7
The _____________ is used to power all the circuits in the building on or off at
one time.
Answer: Main circuit breaker
Question 8
, From the main circuit breaker, each thick black wire feeds a "hot" electrical
___________ that provides power to the circuits.
Answer: Bus bar
the number of cycles completed within one second is called ___________. -
ANSWER ✔✔frequency
Frequency is listed as: -ANSWER ✔✔Hertz (hz)
what does a symbol for a phase look like? -ANSWER ✔✔circle with a vertical line
through it
Where do you measure voltage coming in on each line in 3 phase circuits? -
ANSWER ✔✔L1 to L2, L1 to L3, L2 to L3
Where do you measure the voltage going to the load in a 3 phase system? -
ANSWER ✔✔L1 to L2, L2 to L3, L3 to L1
One possible cause of a motor overheating could be __________________ among
3 phases coming into the motor. -ANSWER ✔✔unbalanced voltage
_______________ are generally used in conjunction with an electronic circuit
board. -ANSWER ✔✔thermistors
_________ measure the resistance of a circuit board or check continuity of a circuit
board. -ANSWER ✔✔never
An integrated control board such as an integrated furnace control (IFC) has to
match the type of __________ for the appliance. -ANSWER ✔✔ignition
Instruments that can measure differential pressure: -ANSWER ✔✔- water
manometer
- incline manometer
- electronic manometer
On-demand water heaters don't store water w/ a tank. Therefore, when the burner
comes on there must be a sufficient amount of water flowing through it to prevent
it from _______________. -ANSWER ✔✔overheating
APPLIANCE SERVICE &
TROUBLESHOOTING QUESTIONS AND
ANSWERS LATEST UPDATED 2026/2027
Question 1
The primary difference between basic and advanced appliances is in the type
of ignition system and the use of _________________.
Answer: Advanced electronics
Question 2
Basic appliances include those with standing pilot __________________.
Answer: Ignition systems
Question 3
Advanced propane appliances are more complex and include advanced
controls and complex electronic ignition systems. Most of the components
connect to a ______________ which controls electrical flow.
Answer: Circuit board
Question 4
What are common examples of advanced propane appliances?
Answer:
o Tankless / on-demand water heaters
o Advanced furnaces, boilers, and water heaters with electronic ignition
systems
o Commercial cooking appliances with electronic ignition systems
Question 5
A gas control valve delivers gas to the burners when it receives power from
the _____________________.
Answer: Integrated furnace control (IFC)
Question 6
Often the power to the appliance must be on during troubleshooting to
measure ________.
Answer: Voltage
Question 7
The _____________ is used to power all the circuits in the building on or off at
one time.
Answer: Main circuit breaker
Question 8
, From the main circuit breaker, each thick black wire feeds a "hot" electrical
___________ that provides power to the circuits.
Answer: Bus bar
the number of cycles completed within one second is called ___________. -
ANSWER ✔✔frequency
Frequency is listed as: -ANSWER ✔✔Hertz (hz)
what does a symbol for a phase look like? -ANSWER ✔✔circle with a vertical line
through it
Where do you measure voltage coming in on each line in 3 phase circuits? -
ANSWER ✔✔L1 to L2, L1 to L3, L2 to L3
Where do you measure the voltage going to the load in a 3 phase system? -
ANSWER ✔✔L1 to L2, L2 to L3, L3 to L1
One possible cause of a motor overheating could be __________________ among
3 phases coming into the motor. -ANSWER ✔✔unbalanced voltage
_______________ are generally used in conjunction with an electronic circuit
board. -ANSWER ✔✔thermistors
_________ measure the resistance of a circuit board or check continuity of a circuit
board. -ANSWER ✔✔never
An integrated control board such as an integrated furnace control (IFC) has to
match the type of __________ for the appliance. -ANSWER ✔✔ignition
Instruments that can measure differential pressure: -ANSWER ✔✔- water
manometer
- incline manometer
- electronic manometer
On-demand water heaters don't store water w/ a tank. Therefore, when the burner
comes on there must be a sufficient amount of water flowing through it to prevent
it from _______________. -ANSWER ✔✔overheating
