Delta H2.5 User Manual

Fault
Message
F35:
HW Bus OVR
F37: OOCP
F42:
CT sensor Fail (A)
F56:
HW incompat.
1. Driver for boost is defective
2. Voc of PV array is over
510Vdc (H2.5) or
560Vdc (H3/ H3A/ H4A/ H5A)
3. Surge occurs during operation
4. Detection circuit malfunction
Detection circuit malfunction
1. Inverter choke Fail
2. Output Filter Fail
3. Detection circuit malfunction
HW power rating incorrect
1. Check the driver circuit for boost
inside the inverter
2. Modify the solar array setting,
and make the Voc less than
500Vdc (H2.5) or
550Vdc (H3/ H3A/ H4A/ H5A)
3. N/A
4. Check the detection circuit inside
the inverter
Check the detection circuit inside the
inverter
1. Check Inverter choke inductance.
2. Check output filter capacitance.
3. Check the detection circuit inside
the inverter
Check comm. HW power rating info.
F60: IOCP(PV1)
1.
Switching device in boost is defective
2. Driver for boost is defective
3. Input current detection circuit
malfunction
1. Check
all switching device in boost
2. Check the driver circuit for boost
inside the inverter
3. Check input current detection circuit
1. Check all switching device in boost
2. Check the driver circuit for boost
inside the inverter
3. Check input current detection circuit
F61: IOCP(PV2)
1.
Switching device in boost is defective
2. Driver for boost is defective
3. Input current detection circuit
malfunction
Possible cause Action
46
Error Message and Trouble Shooting

Delta H2.5 Specifications

General

Brand	Delta
Model	H2.5
Category	Inverter
Language	English