Trane ProSpace PTEG0701GAA Installation, Operation And Maintenance Manual page 34

T T r r o o u u b b l l e e s s h h o o o o t t i i n n g g a a n n d d R R e e s s o o u u r r c c e e s s
Table 8. Digital Display Error Codes (continued)
Control Status LED -
Board Number of
Flashes
Display
Followed by 3
second delay
H3 (a) Green Light On
Constant (Normal
Operation)
E5 (a) Green Light On
Constant (Normal
Operation)
A2 (a) Green Light On
Constant (Normal
Operation)
U5 (a) Green Light On
Constant (Normal
Operation)
A0 (a) Green Light On
Constant (Normal
Operation)
A4 (a) Green Light On
Constant (Normal
Operation)
C7 (a) Green Light On
Constant (Normal
Operation)
5 flashes (unit
remains
operational)
6 flashes
7 flashes
8 flashes
9 flashes
(a) These codes will only be shown on the unit display board. When a unit is being operated from a wireless or wired thermostat, the codes won't be visble.
Change Dip Switch 2 (down - disabling thermostat) to diagnose with controller. Remove power and power back up.
34
Code Description Explanation
Overload protection Voltage is too low / condenser
detection coil dirty / outdoor fan damaged
/ compressor failed
Overcurrent protection Voltage is too low / condenser
of compressor
coil dirty / outdoor fan damaged
/ compressor failed
Malfunction protection Unit current is too high / electric
for electric heat heater is damaged / open circuit
Unbalanced electric All loads are stopped
current
Electric heater All loads are stopped
combination wrong
Electric heater current All loads are stopped
abnormal
Temperature protection All loads are stopped
time too long
Freeze prevention Indoor tube temperature is too
protection for
low in cooling mode
evaporator
High temperature
protection for outdoor
condenser
Frost prevention (heat Outdoor tube temperature is low
pump) in heat pump mode. This is
normal operation in cold outdoor
ambient temperatures. Electric
heat will cycle as needed.
High temperature Indoor tube temperature is high
protection for in heat pump mode.
evaporator
Wrong wire connection
indicated for wired
controller
Troubleshooting
1. Power supply voltage is low.
2. Condenser coil is dirty.
3. Outdoor fan is damaged or failed.
4. Compressor failed.
1. Power supply voltage is low.
2. Condenser coil is dirty.
3. Outdoor fan is damaged or failed.
4. Compressor failed.
1. Power supply voltage is high.
2. Check for any breaks in the wires.
3. Replace the main board number two.
4. The indoor fan is damaged.
5. Replace the electric heater.
1. Wires are not connected or inserted
correctly.
2. Electric heater is short-circuited or not
connected tightly.
3. There is an electric leakage.
1. Wires are not inserted correctly.
2. Electric heater is broken.
1. Part of electric heater is broken or
short-circuited.
2. Electric Heater is abnormal.
1. Temperature limiter is broken.
2. Connection wire of loads of electric
heater is broken.
PTAC-SVX004A-EN