Pentair 400HD, light switch on for SPA but nothing happens. It does not ignite and the service light is not on. Set to 40 degrees but still nothing happening. Switched off then switched on. R13 message appears but goes away.
R13 is a revision number of the circuit board, this could be an issue with either the igniter, ignition module, or gas supply. In order to troubleshoot the issue, we would need a technician onsite to go though the process and contact us at 1-800-831-7133