Troubleshooting

Indoor unit runs, outdoor unit does not Check breakers, check water overflow safety switch.
Water is leaking from my air handler Main drain could be clogged, coils dirty or frozen.
Indoor and outdoor unit not running Check breakers, check water overflow safety switch.
Indoor coils freezing up Check filters, check air flow, does the outdoor unit run after the indoor unit stops?
Outdoor unit has ice on it In the heating mode some frost is common, but ice is not.The defrost board or sensor may be bad. System Charge may be off