Invoke `WriteCurrentPwmToFans` in thermal cycles

Google-Bug-Id:545704112
PiperOrigin-RevId: 970028762
Change-Id: Icf9db2b86e8f44eb94053b34ebc2cb236a522734

tlbmc/collector/thermal_collector.cc

diff --git a/tlbmc/collector/thermal_collector.cc b/tlbmc/collector/thermal_collector.cc
index 3a9ed92..c6d6c32 100644
--- a/tlbmc/collector/thermal_collector.cc
+++ b/tlbmc/collector/thermal_collector.cc
@@ -1329,9 +1329,10 @@
           ApplyPendingTuningRequests(zone_manager->GetId());
         }
 
-        // Under manual mode, simply trigger the next thermal control iteration,
-        // and then return, without executing the thermal and fan cycles.
+        // Under manual mode, perform no thermal loop iterations.
         if (zone_manager->GetManualMode()) {
+          // Write cached PWM to fans to avoid triggering hardware failsafe.
+          zone_manager->WriteCurrentPwmToFans();
           ProcessThermalControl(zone_manager, timer, /*first_run=*/false,
                                 ms_elapsed_in_current_cycle);
           return;