McQuay TSC User Manual

OM Centrif Micro ΙΙ-5 79
Condition Cause Solution
Fan power supply lost
Verify fan power supply, check
fuses.
Fan wiring problem Check fan wiring.
Starter cooling fans(when
present) do not operate
Fan failure Replace fan
Keypad cable not plugged in
properly or cable damaged.
Verify that the remote keypad
cable has not been damaged and
that it is properly seated at both the
keypad and the D3 Control board.
Display interface board (when
present) not firmly plugged in.
Verify that the display interface
board (if present) is firmly attached
to D3 control card.
Remote Keypad does not
operate correctly.
Remote display damaged. Replace remote display.
Table 38, Fault Code Troubleshooting Table
The following is a list of possible faults that can be generated by the D3 starter control.
Fault
Code
Description Detailed Description of Fault / Possible Solutions
Motor did not achieve full speed before the UTS timer (QST 09, P9)
expired.
Check motor for jammed or overloaded condition.
F01
UTS (Up To
Speed) Time
Limit Expired
Evaluate UTS timer setting and, if acceptable, increase UTS timer setting
(QST 09, P9).
The D3 motor thermal overload protection has tripped.
Check motor for mechanical failure, jammed, or overloaded condition. F02 (F
OL)
Motor Thermal
Overload Trip
Verify that there is not an input line power quality problem or excessive
line distortion present.
F10
Phase Rotation
Error, not ABC
Verify correct phase rotation of input power. Correct wiring if necessary.
F11
Phase Rotation
Error, not CBA
Verify correct phase rotation of input power. Correct wiring if necessary.
Line frequency below 23 Hz was detected.
Verify input line frequency.
If operating on a generator, check generator speed governor for
malfunctions.
Check input supply for open fuses or open connections
F12
Low Line
Frequency
Line power quality problem / excessive line distortion.
Line frequency above 72 Hz was detected.
Verify input line frequency.
If operating on a generator, check generator speed governor for
malfunctions.
F13
High Line
Frequency
Line power quality problem / excessive line distortion.
F14
Input power not
single phase
Verify that single-phase power is connected to the L1 and L2 inputs.
Correct wiring if necessary.
F15
Input power not
three phase
Single-phase power has been detected when the starter is expecting
three-phase power.

McQuay TSC Specifications

General

Brand	McQuay
Model	TSC
Category	Controller
Language	English