heat-timer ETV Platinum Plus, Инструкция по установке и эксплуатации

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Troubleshooting
Symptom Possible Cause Recommended Action(s)
No display or
distorted display.
No power to the ETV Platinum
Plus Control Module, incorrect
or defective wiring.
Verify the ETV Platinum Plus Control Module
is receiving power, all power wiring is in good
condition and connected.
The ETV Platinum Plus Control Module
requires 120Vac power to terminal 1 and 2,
and earth ground wiring to terminal 3.
Turn power to the ETV Platinum Plus
Control Module off then back on.
See “Power Input Wiring” on page
20 .
Display shows
sensor “Open”.
Sensor disconnected. Verify the sensor is properly connected to the
ETV Platinum Plus Control Module.
Defective sensor, wires, or
ETV Platinum Plus Control
Module.
Short the sensor input wires. The display
should read “Short”.
• If the display still reads “Open”, the device is
defective. Replace the ETV Platinum Plus
Control Module.
• If the display reads “Short”, test the sensor
wiring for continuity. Replace the sensor/
wiring.
Display shows
sensor “Short”.
Defective sensor, wires, or
ETV Platinum Plus Control
Module.
Remove the sensor wires from the input
terminals. The display should read “Open”.
• If the display still reads “Short”, the device is
defective. Replace the ETV Platinum Plus
Control Module.
• If the display reads “Open”, test the sensor
wiring for continuity. Replace the sensor/
wiring.
System reads
incorrect
temperature.
Probe sensor not
properly installed.
Ensure the probe sensor is properly installed in
the flow of the water stream.
See “Sensor Probe Locations” on page
12
.
Defective sensor or ETV
Platinum Plus Control Module.
Disconnect the wires from the input terminals.
The display should read “Open”.
• If the display does not read “Open", the
device is defective. Replace the ETV Platinum
Plus Control Module.
• If the control reads “Open”, and the
difference is within 5°F, replace the sensor.
No hot water. If Flow Switch is set to "Yes"
and the flow input is open, the
mixing valve may be marginally
closed.
Verify Flow Switch setting and the position of
the mixing valve.
059305-00 Rev. D
Heat-Timer Corp.
52 ETV Platinum Plus Installation and Operation Manual