Using a PT Controller: Operation/Monitoring
©
2017 Sensata Technologies
Page 143
12.2.4.3
PT Router Fault Statuses
The following “Fault” statuses (Table 12-4) display on the router to indicate that the PT is not
operating as intended. Refer to Section 12.3.2 for help in diagnosing/resolving the problem.
Note:
Fault codes (example: “F12”) listed below only appear on the PT’s LCD display to identify the
particular PT fault. These codes do not appear on the ME-ARTR router’s LCD display.
Table 12-4, PT Router Fault Statuses
Status
Description
No PV Input-PT
(F01)
The PT controller turned off because there has been no source of PV
power detected on the PV terminals (i.e., PV+ to PV-) for >24 hrs.
Int Pwr Sup-PT
(F02)
The PT controller turned off because the voltage from the auxiliary power
supply in the controller has dropped to a low level.
High PV VDC-PT
(F03)
The PT controller turned off because a very high PV voltage (>187 VDC)
has been detected on the PV terminals (i.e., PV+ to PV-).
High Bat VDC-PT
(F04)
The PT controller turned off due to instantaneous high voltage (
≥
68
VDC) detected on the battery terminals (i.e., BAT+ to BAT-).
BTS Shorted-PT
(F05)
The PT controller continues to run, but a problem with the BTS has been
detected (temp sensor has shorted). When this happens, the temp-
compensation is
fi
xed at a temperature of 77°F/25°C.
FET Overtemp-PT
(F06)
The PT controller turned off because the internal FETs (Field Effect
Transistors) have exceeded their safe operating temperature
(
≥
185°F/85°C).
HiBatt Temp-PT
(F07)
The PT controller turned off because the BTS has reached a very high
temperature (
≥
131°F/55°C).
Int Overload-PT
(F08)
The PT controller turned off because the current to an internal sensor
has exceeded the controller’s protection limits.
Int Phase-PT
(F09)
The PT controller turned off because one of the internal phases is faulty
or the phase signals are not in sync with each other.
BTS Open-PT
(F10)
The PT controller continues to run, but the BTS has opened or is no
longer connected. When this happens, the temp-compensation is
fi
xed
at a temperature of 77°F/25°C.
Int Power-PT
(F11)
The PT controller turned off because the internal power control circuitry
reached its protection limits.
Ground Fault-PT
(F12)
The PT controller turned off because the GFP fuse has opened due to a
ground-fault condition.
ARC Fault-PT
(F13)
The PT controller turned off because a series ARC fault has been detected.
Int NTC-PT
(F14)
The PT controller turned off because the internal NTC (Negative
Temperature Coefficient) temperature sensor suddenly caused a large,
unexpected temperature change.
Int Hardware-PT
(F15)
The PT controller turned off because a redundant hardware protection
circuit that monitors the internal temperature has exceeded a safe
operating limit.
Ind Overtemp-PT
(F16)
The PT controller turned off because the charger’s inductors have
exceeded their safe operating temperature (
≥
270°F/32°C).
USB Fault-PT
(F17)
This fault indicates that the PT’s USB port is plugged into a computer as the
unit is attempting to convert power.
Note:
This fault typically occurs when
a software update is performed and the USB cable hasn’t been unplugged.
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